awesome-scala

June 6, 2026 · View on GitHub

A curated list of awesome Scala frameworks, libraries and software.

apache/spark - Apache Spark - A unified analytics engine for large-scale data processing
lichess-org/lila - ♞ lichess.org: the forever free, adless and open source chess server ♞
scala/scala - Scala 2 compiler and standard library. Scala 2 bugs at https://github.com/scala/bug; Scala 3 at https://github.com/scala/scala3
playframework/playframework - The Community Maintained High Velocity Web Framework For Java and Scala.
apache/predictionio - PredictionIO, a machine learning server for developers and ML engineers.
rtyley/bfg-repo-cleaner - Removes large or troublesome blobs like git-filter-branch does, but faster. And written in Scala
yahoo/CMAK - CMAK is a tool for managing Apache Kafka clusters
gitbucket/gitbucket - A Git platform powered by Scala with easy installation, high extensibility & GitHub API compatibility
twitter/finagle - A fault tolerant, protocol-agnostic RPC system
gatling/gatling - Modern Load Testing as Code
scala/scala3 - The Scala 3 compiler, also known as Dotty.
fpinscala/fpinscala - Code, exercises, answers, and hints to go along with the book "Functional Programming in Scala"
microsoft/SynapseML - Simple and Distributed Machine Learning
sbt/sbt - sbt, the interactive build tool
scala-js/scala-js - Scala.js, the Scala to JavaScript compiler
chipsalliance/chisel - Chisel: A Modern Hardware Design Language
scalaz/scalaz - Principled Functional Programming in Scala
scala-native/scala-native - Your favorite language gets closer to bare metal.
zio/zio - ZIO — A type-safe, composable library for async and concurrent programming in Scala
TheHive-Project/TheHive - TheHive is a Collaborative Case Management Platform, now distributed as a commercial version
chipsalliance/rocket-chip - Rocket Chip Generator
awslabs/deequ - Deequ is a library built on top of Apache Spark for defining "unit tests for data", which measure data quality in large datasets.
twitter/scalding - A Scala API for Cascading
scalanlp/breeze - Breeze is/was a numerical processing library for Scala.
milessabin/shapeless - Generic programming for Scala
joernio/joern - Open-source code analysis platform for C/C++/Java/Binary/Javascript/Python/Kotlin based on code property graphs. Discord https://discord.gg/vv4MH284Hc
xxf098/shadowsocksr-v2ray-trojan-android - A simple client for Android
softwaremill/elasticmq - In-memory message queue with an Amazon SQS-compatible interface. Runs stand-alone or embedded.
spark-jobserver/spark-jobserver - REST job server for Apache Spark
com-lihaoyi/mill - A better build tool for Java, Scala and Kotlin: Simpler than Maven, easier than Gradle, with 3-7x faster dev workflows than other JVM build tools
twitter/util - Wonderful reusable code from Twitter
slick/slick - Slick (Scala Language Integrated Connection Kit) is a modern database query and access library for Scala
scalatra/scalatra - Tiny Scala high-performance, async web framework, inspired by Sinatra
scala-exercises/scala-exercises - The easy way to learn Scala.
com-lihaoyi/Ammonite - Scala Scripting
lagom/lagom - Reactive Microservices for the JVM
spotify/scio - A Scala API for Apache Beam and Google Cloud Dataflow.
http4s/http4s - A minimal, idiomatic Scala interface for HTTP
circe/circe - Yet another JSON library for Scala
spray/spray - A suite of scala libraries for building and consuming RESTful web services on top of Akka: lightweight, asynchronous, non-blocking, actor-based, testable
geekyouth/SZT-bigdata - 深圳地铁大数据客流分析系统🚇🚄🌟
typelevel/fs2 - Compositional, streaming I/O library for Scala
metarank/metarank - A low code Machine Learning personalized ranking service for articles, listings, search results, recommendations that boosts user engagement. A friendly Learn-to-Rank engine
scalameta/metals - Scala language server with rich IDE features 🚀
twitter/algebird - Abstract Algebra for Scala
salesforce/TransmogrifAI - TransmogrifAI (pronounced trăns-mŏgˈrə-fī) is an AutoML library for building modular, reusable, strongly typed machine learning workflows on Apache Spark with minimal hand-tuning
twitter/finatra - Fast, testable, Scala services built on TwitterServer and Finagle
typelevel/cats-effect - The pure asynchronous runtime for Scala
typelevel/doobie - Functional JDBC layer for Scala.
riscv-boom/riscv-boom - SonicBOOM: The Berkeley Out-of-Order Machine
zio/zio-quill - Compile-time Language Integrated Queries for Scala
coursier/coursier - Pure Scala Artifact Fetching
pocorall/scaloid - Scaloid makes your Android code easy to understand and maintain.
SpinalHDL/SpinalHDL - Scala based HDL
typelevel/scalacheck - Property-based testing for Scala
sangria-graphql/sangria - Scala GraphQL implementation
apache/cassandra-spark-connector - Apache Spark to Apache Cassandra connector
monix/monix - Asynchronous, Reactive Programming for Scala and Scala.js.
typelevel/spire - Powerful new number types and numeric abstractions for Scala.
foundweekends/giter8 - a command line tool to apply templates defined on GitHub
fthomas/refined - Refinement types for Scala
MightyPirates/OpenComputers - Home of the OpenComputers mod for Minecraft.
optics-dev/Monocle - Optics library for Scala
typelevel/skunk - A data access library for Scala + Postgres.
japgolly/scalajs-react - Facebook's React on Scala.JS
Philippus/elastic4s - 🔍 Elasticsearch Scala Client - Reactive, Non Blocking, Type Safe, HTTP Client
almond-sh/almond - A Scala kernel for Jupyter
sbt/sbt-native-packager - sbt Native Packager
finagle/finch - Scala combinator library for building Finagle HTTP services
TheHive-Project/Cortex - Cortex: a Powerful Observable Analysis and Active Response Engine
apache/pekko - Build highly concurrent, distributed, and resilient message-driven applications using Java/Scala
ThoughtWorksInc/Binding.scala - Reactive data-binding for Scala
pureconfig/pureconfig - A boilerplate-free library for loading configuration files
combust/mleap - MLeap: Deploy ML Pipelines to Production
GravityLabs/goose - Html Content / Article Extractor in Scala - open sourced from Gravity Labs
softwaremill/sttp - The Scala HTTP client you always wanted!
scalameta/scalafmt - Code formatter for Scala
json4s/json4s - JSON library
vkostyukov/scalacaster - Purely Functional Algorithms and Data Structures in Scala
pathikrit/better-files - Simple, safe and intuitive Scala I/O
softwaremill/tapir - Rapid development of self-documenting APIs
filodb/FiloDB - Distributed Prometheus time series database
apache/carbondata - High performance data store solution
kamon-io/Kamon - Distributed Tracing, Metrics and Context Propagation for applications running on the JVM
akka/alpakka-kafka - Alpakka Kafka connector - Alpakka is a Reactive Enterprise Integration library for Java and Scala, based on Reactive Streams and Akka.
mesos/spark - Lightning-fast cluster computing in Java, Scala and Python.
mauricio/postgresql-async - Async, Netty based, database drivers for PostgreSQL and MySQL written in Scala
ACINQ/eclair - A scala implementation of the Lightning Network.
scalapb/ScalaPB - Protocol buffer compiler for Scala.
softwaremill/macwire - Zero-cost, compile-time, type-safe dependency injection library.
lift/framework - Lift Framework
scalikejdbc/scalikejdbc - A tidy SQL-based DB access library for Scala developers. This library naturally wraps JDBC APIs and provides you easy-to-use APIs.
PkmX/lcamera - A camera app using the new camera2 API in Android Lollipop
akka/alpakka - Alpakka is a Reactive Enterprise Integration library for Java and Scala, based on Reactive Streams and Akka.
scalalandio/chimney - Scala library for boilerplate-free, type-safe data transformations
sbt/sbt-dependency-graph - sbt plugin to create a dependency graph for your project
twitter/rsc - Experimental Scala compiler focused on compilation speed
seveniruby/AppCrawler - 基于appium的app自动遍历工具
JetBrains/intellij-scala - Scala plugin for IntelliJ IDEA
lloydmeta/enumeratum - A type-safe, reflection-free, powerful enumeration implementation for Scala with exhaustive pattern match warnings and helpful integrations.
scala-steward-org/scala-steward - :robot: A bot that helps you keep your projects up-to-date
lihaoyi/Metascala - A JVM written in Scala
wavesplatform/Waves - ⛓️ Reference Waves Blockchain Node (client) implementation on Scala
scalatest/scalatest - A testing tool for Scala and Java developers
scala/scala-async - An asynchronous programming facility for Scala
scalameta/scalameta - Library to read, analyze, transform and generate Scala programs
com-lihaoyi/fastparse - Writing Fast Parsers Fast in Scala
tumblr/colossus - I/O and Microservice library for Scala
TheAlgorithms/Scala - All Algorithms implemented in Scala
wartremover/wartremover - Flexible Scala code linting tool
jacksu/utils4s - scala、spark使用过程中，各种测试用例以及相关资料整理
pauljamescleary/scala-pet-store - An implementation of the java pet store using FP techniques in scala
broadinstitute/cromwell - Scientific workflow engine designed for simplicity & scalability. Trivially transition between one off use cases to massive scale production environments
bigdatagenomics/adam - ADAM is a genomics analysis platform with specialized file formats built using Apache Avro, Apache Spark, and Apache Parquet. Apache 2 licensed.
outworkers/phantom - Schema safe, type-safe, reactive Scala driver for Cassandra/Datastax Enterprise
ghostdogpr/caliban - Functional GraphQL library for Scala
lihaoyi/scala.rx - An experimental library for Functional Reactive Programming in Scala
h2oai/sparkling-water - Sparkling Water provides H2O functionality inside Spark cluster
spray/spray-json - A lightweight, clean and simple JSON implementation in Scala
scalaj/scalaj-http - Simple scala wrapper for HttpURLConnection. OAuth included.
eaplatanios/tensorflow_scala - TensorFlow API for the Scala Programming Language
scalacenter/bloop - Bloop is a build server and CLI tool to compile, test and run Scala fast from any editor or build tool.
typelevel/squants - The Scala API for Quantities, Units of Measure and Dimensional Analysis
typelevel/simulacrum - First class syntax support for type classes in Scala
wzhe06/SparkCTR - CTR prediction model based on spark(LR, GBDT, DNN)
lightbend-labs/scala-logging - Convenient and performant logging library for Scala wrapping SLF4J.
typelevel/frameless - Expressive types for Spark.
ReactiveX/RxScala - RxScala – Reactive Extensions for Scala – a library for composing asynchronous and event-based programs using observable sequences
Antox/Antox - Android client for Project Tox - Secure Peer to Peer Messaging
scalacenter/scalafix - Refactoring and linting tool for Scala
zio/zio-http - A next-generation Scala framework for building scalable, correct, and efficient HTTP clients and servers
nscala-time/nscala-time - A new Scala wrapper for Joda Time based on scala-time
spray/sbt-revolver - An SBT plugin for dangerously fast development turnaround in Scala
ReactiveMongo/ReactiveMongo - :leaves: Non-blocking, Reactive MongoDB Driver for Scala
softwaremill/quicklens - Modify deeply nested case class fields
tminglei/slick-pg - Slick extensions for PostgreSQL
raquo/Laminar - Simple, expressive, and safe UI library for Scala.js
scala/pickling - Fast, customizable, boilerplate-free pickling support for Scala
eligosource/eventsourced - A library for building reliable, scalable and distributed event-sourced applications in Scala
precog/matryoshka - Generalized recursion schemes and traversals for Scala.
LucaCanali/sparkMeasure - This repository contains the development code for sparkMeasure, an Apache Spark performance analysis and troubleshooting library. It simplifies collecting, aggregating, and exporting Spark task/stage metrics, and is designed for practical use by developers and data engineers in interactive analysis, testing, and production monitoring workflows.
plokhotnyuk/jsoniter-scala - Scala macros for compile-time generation of safe and ultra-fast JSON codecs + circe booster
scodec/scodec - Scala combinator library for working with binary data
mohiva/play-silhouette - Silhouette is an authentication library for Play Framework applications that supports several authentication methods, including OAuth1, OAuth2, OpenID, CAS, 2FA, TOTP, Credentials, Basic Authentication or custom authentication schemes.
softwaremill/magnolia - Easy, fast, transparent generic derivation of typeclass instances
sbt/sbt-jmh - "Trust no one, bench everything." - sbt plugin for JMH (Java Microbenchmark Harness)
twitter/scrooge - A Thrift parser/generator
playframework/play-slick - Slick Plugin for Play
etaty/rediscala - Non-blocking, Reactive Redis driver for Scala (with Sentinel support)
getkyo/kyo - Toolkit for Scala Development
rtimush/sbt-updates - sbt plugin that can check Maven and Ivy repositories for dependency updates
lichess-org/scalachess - Chess API written in scala. Immutable and free of side effects.
com-lihaoyi/scalatags - ScalaTags is a small XML/HTML construction library for Scala.
ThoughtWorksInc/DeepLearning.scala - A simple library for creating complex neural networks
com-lihaoyi/upickle - uPickle: a simple, fast, dependency-free JSON & Binary (MessagePack) serialization library for Scala
twitter-archive/ostrich - A stats collector & reporter for Scala servers (deprecated)
cb372/scalacache - Simple caching in Scala
gearpump/gearpump - Lightweight real-time big data streaming engine over Akka
com-lihaoyi/requests-scala - A Scala port of the popular Python Requests HTTP client: flexible, intuitive, and straightforward to use.
theiterators/akka-http-microservice - Example of http (micro)service in Scala & akka-http
com-lihaoyi/os-lib - OS-Lib is a simple, flexible, high-performance Scala interface to common OS filesystem and subprocess APIs
skinny-framework/skinny-framework - :monorail: "Scala on Rails" - A full-stack web app framework for rapid development in Scala
jdegoes/blueeyes - A lightweight Web 3.0 framework for Scala, featuring a purely asynchronous architecture, extremely high-performance, massive scalability, high usability, and a functional, composable design.
etorreborre/specs2 - Software Specifications for Scala
ruippeixotog/scala-scraper - A Scala library for scraping content from HTML pages
marcus-drake/sbt-docker - Create Docker images directly from sbt
vegas-viz/Vegas - The missing MatPlotLib for Scala + Spark
sksamuel/avro4s - Avro schema generation and serialization / deserialization for Scala
TouK/nussknacker - Low-code tool for automating actions on real time data | Stream processing for the users.
seratch/AWScala - Using AWS SDK on the Scala REPL
miguno/kafka-storm-starter - [PROJECT IS NO LONGER MAINTAINED] Code examples that show to integrate Apache Kafka 0.8+ with Apache Storm 0.9+ and Apache Spark Streaming 1.1+, while using Apache Avro as the data serialization format.
sirthias/parboiled2 - A macro-based PEG parser generator for Scala 2.10+
PurpleKingdomGames/indigo - An FP game engine for Scala.
oleg-py/better-monadic-for - Desugaring scala for without implicit withFilters
unfiltered/unfiltered - A toolkit for servicing HTTP requests in Scala
tototoshi/scala-csv - CSV Reader/Writer for Scala
handsonscala/handsonscala - Discussion and and code examples for the book Hands-on Scala Programming
scalafx/scalafx - ScalaFX simplifies creation of JavaFX-based user interfaces in Scala
scallop/scallop - a simple Scala CLI parsing library
bkirwi/decline - A composable command-line parser for Scala.
scala/scala-parser-combinators - simple combinator-based parsing for Scala. formerly part of the Scala standard library, now a separate community-maintained module
jwt-scala/jwt-scala - JWT support for Scala. Bonus extensions for Play, Play JSON, Json4s, Circe, uPickle, Spray and Argonaut
scalastyle/scalastyle - scalastyle
shadaj/slinky - Write Scala.js React apps just like you would in ES6
ochrons/scalajs-spa-tutorial - Tutorial for creating a simple Single Page Application in ScalaJS
testcontainers/testcontainers-scala - Docker containers for testing in scala
gvolpe/trading - 💱 Trading application written in Scala 3 that showcases an Event-Driven Architecture (EDA) and Functional Programming (FP)
wvlet/airframe - Essential Building Blocks for Scala
AbsaOSS/spline - Data Lineage Tracking And Visualization Solution
sbt/sbt-release - A release plugin for sbt
kaitai-io/kaitai_struct_compiler - Kaitai Struct: compiler to translate .ksy => .cpp / .cs / .dot / .go / .java / .js / .lua / .nim / .php / .pm / .py / .rb / .rs
deanwampler/programming-scala-book-code-examples - The code examples used in Programming Scala, 2nd and 3rd Editions (O'Reilly)
suzaku-io/diode - Scala library for managing immutable application model
chandu0101/sri - Build truly native cross platform (web,ios,android) apps using scalajs and react, react-native
VirtusLab/scala-cli - Scala CLI is a command-line tool to interact with the Scala language. It lets you compile, run, test, and package your Scala code (and more!)
7mind/izumi - Productivity-oriented collection of lightweight fancy stuff for Scala toolchain
twitter/chill - Scala extensions for the Kryo serialization library
frees-io/freestyle - A cohesive & pragmatic framework of FP centric Scala libraries
scalate/scalate - Scalate is a Scala based template engine which supports HAML, Mustache and JSP, Erb and Velocity style syntaxes.
dehun/learn-fp - learn-by-doing course/tutorial for functional programming on scala
felixgborrego/simple-docker-ui - Native Docker UI implemented using Scala.js and React - DEPRECATED
scalatron/scalatron - Scalatron, a multi-player programming game in which coders pit bot programs (written in Scala) against each other
com-lihaoyi/cask - Cask: a Scala HTTP micro-framework. Cask makes it easy to set up a website, backend server, or REST API using Scala
stanch/reftree - Automatically generated diagrams and animations for Scala data structures
qubole/sparklens - Qubole Sparklens tool for performance tuning Apache Spark
atnos-org/eff - Eff monad for cats - https://atnos-org.github.io/eff
YotpoLtd/metorikku - A simplified, lightweight ETL Framework based on Apache Spark
squeryl/squeryl - A Scala DSL for talking with databases with minimum verbosity and maximum type safety
hseeberger/akka-http-json - Integrate some of the best JSON libs in Scala with Akka HTTP
scala-graph/scala-graph - Graph for Scala is intended to provide basic graph functionality seamlessly fitting into the Scala Collection Library. Like the well known members of scala.collection, Graph for Scala is an in-memory graph library aiming at editing and traversing graphs, finding cycles etc. in a user-friendly way.
fomkin/korolev - Single Page Applications running on the server side.
tpolecat/tut - doc/tutorial generator for scala
scalapy/scalapy - Use the world of Python from the comfort of Scala!
spark-examples/spark-scala-examples - This project provides Apache Spark SQL, RDD, DataFrame and Dataset examples in Scala language
typelevel/cats-collections - Data structures for pure functional programming in Scala
playframework/twirl - Twirl is Play's default template engine
scapegoat-scala/scapegoat - Scala compiler plugin for static code analysis
scalamock/scalamock - Native Scala mocking framework
Iltotore/iron - Strong type constraints for Scala
gvolpe/pfps-shopping-cart - :shopping_cart: The Shopping Cart application developed in the book "Practical FP in Scala: A hands-on approach"
factorie/factorie - FACTORIE is a toolkit for deployable probabilistic modeling, implemented as a software library in Scala. It provides its users with a succinct language for creating relational factor graphs, estimating parameters and performing inference.
outr/scribe - The fastest logging library in the world. Built from scratch in Scala and programmatically configurable.
jsuereth/scala-arm - This project aims to be the Scala Incubator project for Automatic-Resource-Management in the scala library
argonaut-io/argonaut - Purely functional JSON parser and library in scala.
guardrail-dev/guardrail - Principled code generation from OpenAPI specifications
estatico/scala-newtype - NewTypes for Scala with no runtime overhead
build-server-protocol/build-server-protocol - Protocol for IDEs and build tools to communicate about compile, run, test, debug and more.
nulab/scala-oauth2-provider - OAuth 2.0 server-side implementation written in Scala
com-lihaoyi/sourcecode - Scala library providing "source" metadata to your program, similar to Python's name, C++'s LINE or Ruby's FILE.
hyperledger-labs/Scorex - Scorex 2.0 Core
densh/scala-offheap - Experimental type-safe off-heap memory for Scala.
wix-incubator/accord - Accord: A sane validation library for Scala
Stratio/sparta - Real Time Analytics and Data Pipelines based on Spark Streaming
scala-ide/scalariform - Scala source code formatter
nightscape/spark-excel - A Spark plugin for reading and writing Excel files
softwaremill/ox - Safe direct-style streaming, concurrency and resiliency for Scala on the JVM
scalameter/scalameter - Microbenchmarking and performance regression testing framework for the JVM platform.
FasterXML/jackson-module-scala - Add-on module for Jackson (https://github.com/FasterXML/jackson) to support Scala-specific datatypes
com-lihaoyi/utest - A simple testing framework for Scala
markwinter/Antox - Scala android client for Project Tox - secure p2p messaging
xerial/sbt-pack - A sbt plugin for creating distributable Scala packages.
scala-ide/scala-ide - Scala IDE for Eclipse
xebia-functional/fetch - Simple & Efficient data access for Scala and Scala.js
rockymadden/stringmetric - :dart: String metrics and phonetic algorithms for Scala (e.g. Dice/Sorensen, Hamming, Jaccard, Jaro, Jaro-Winkler, Levenshtein, Metaphone, N-Gram, NYSIIS, Overlap, Ratcliff/Obershelp, Refined NYSIIS, Refined Soundex, Soundex, Weighted Levenshtein).
cvogt/cbt - CBT - fun, fast, intuitive, compositional, statically checked builds written in Scala
fosskers/scalaz-and-cats - Usage examples and benchmarks between Scalaz and Cats (w/ Haskell ground-truth).
lightbend-labs/mima - A tool for catching binary incompatibility in Scala
NICTA/scoobi - A Scala productivity framework for Hadoop.
mpollmeier/gremlin-scala - [unmaintained] Scala wrapper for Apache TinkerPop 3 Graph DSL
akka-js/akka.js - Akka, for Scala.js
jberkel/android-plugin - An sbt plugin for Android development in Scala
foundweekends/conscript - Scala at your command
dlwh/epic - Archived Epic is a high performance statistical parser written in Scala, along with a framework for building complex structured prediction models.
zio/zio-prelude - A lightweight, distinctly Scala take on functional abstractions, with tight ZIO integration
spotify/featran - A Scala feature transformation library for data science and machine learning
slouc/concurrency-in-scala-with-ce - Introduction to concepts of asynchronous and concurrent programming in Scala, based on the Cats Effect library.
scalameta/munit - Scala testing library with actionable errors and extensible APIs
outwatch/outwatch - The Functional and Reactive Web-Frontend Library for Scala.js
typelevel/Laika - Site and E-book Generator and Customizable Text Markup Transformer for sbt, Scala and Scala.js
stripe/rainier - Bayesian inference in Scala.
Eliah-Lakhin/papa-carlo - Constructor of incremental parsers in Scala
UdashFramework/udash-core - Scala framework for building beautiful and maintainable web applications.
devsisters/shardcake - Sharding and location transparency for Scala
xitrum-framework/xitrum - Async and clustered Scala web framework and HTTP(S) server
spirom/LearningSpark - Scala examples for learning to use Spark
scoverage/scalac-scoverage-plugin - Scoverage Scala Code Coverage Core Libs
softwaremill/akka-http-session - Web & mobile client-side akka-http sessions, with optional JWT support
scalacenter/scastie - An interactive playground for Scala
arainko/ducktape - Automatic and customizable compile time transformations between similar case classes and sealed traits/enums, essentially a thing that glues your code. Scala 3 only. Or is it duct 🤔
scala/scala-java8-compat - A Java 8 (and up) compatibility kit for Scala.
typelevel/jawn - Jawn is for parsing jay-sawn (JSON)
LEGO/woof - A pure Scala 3 logging library with no reflection
pathikrit/scalgos - algorithms in scala
zio/zio-json - Fast, secure JSON library with tight ZIO integration.
whisklabs/docker-it-scala - Docker integration testing kit with Scala
bot4s/telegram - Telegram Bot API Wrapper for Scala
akka/akka-grpc - A platform to build and run apps that are elastic, agile, and resilient. SDK, libraries, and hosted environments.
vmunier/play-scalajs.g8 - Giter8 template to get started with Play and Scala.js.
propensive/fury-old - A new build tool for JVM languages
dispatch/reboot - Scala wrapper for the Java AsyncHttpClient.
erikvanoosten/metrics-scala - The scala API for Dropwizard's Metrics.
mbonaci/scala - Scala reference (as seen by Java developer)
endpoints4s/endpoints4s - Describe HTTP endpoints in Scala and derive clients, servers, and documentation
ReactiveMongo/Play-ReactiveMongo - :leaves: ReactiveMongo plugin for Playframework
typelevel/sbt-tpolecat - scalac options for the enlightened
vlovgr/ciris - Functional Configurations for Scala
xerial/larray - Large off-heap arrays and mmap files for Scala and Java
streaming-with-flink/examples-scala - Stream Processing with Apache Flink - Scala Examples
getnelson/nelson - Automated, multi-region container deployment
scalameta/mdoc - Typechecked markdown documentation for Scala
iheartradio/play-swagger - Swagger spec generator for play framework
epfl-lara/stainless - Verification framework and tool for higher-order Scala programs. https://gitlab.epfl.ch/lara/stainless
disneystreaming/smithy4s - https://disneystreaming.github.io/smithy4s/
tensil-ai/tensil - Open source machine learning accelerators
PurpleKingdomGames/tyrian - Elm-inspired Scala UI library.
marconilanna/REPLesent - A neat little tool to build presentations using the Scala REPL
higherkindness/droste - recursion schemes for cats; to iterate is human, to recurse, divine
stripe-archive/brushfire - Distributed decision tree ensemble learning in Scala
lemastero/scala_typeclassopedia - Abstractions from Category theory with simple description & implementation, links to further resources.
dickwall/subcut - Scala Uniquely Bound Classes Under Traits
alexandrnikitin/bloom-filter-scala - Bloom filter for Scala, the fastest for JVM
lihaoyi/autowire - Macros for simple/safe RPCs between Scala applications, including ScalaJS/ScalaJVM
bitcoin-s/bitcoin-s - Bitcoin Implementation in Scala
typelevel/algebra - Experimental project to lay out basic algebra type classes
matthiasn/sse-chat - Chat example app using Server Sent Events plus REST calls. Scala, Play Framework 2.3, AngularJS or React (alternatively).
typelevel/mouse - A small companion to cats
playframework/play-json - The Play JSON library
tek/splain - better implicit errors for scala
profunktor/redis4cats - :bookmark: Redis client built on top of Cats Effect, Fs2 and Lettuce
fulcrumgenomics/fgbio - Tools for working with genomic and high throughput sequencing data.
scala/legacy-svn-scala - OBSOLETE, we're over there:
mockito/mockito-scala - Mockito for Scala language
softwaremill/retry - because you should never give up, at least not on the first try
thatdot/quine - Quine • the streaming graph • https://quine.io • Discord: https://discord.gg/GMhd8TE4MR
peregin/gps-overlay-on-video - Telemetry (GPS) data overlay on videos
ing-bank/baker - Orchestrate microservice-based process flows
tpolecat/atto - friendly little parsers
bytedeco/javacv-examples - Examples of using JavaCV / OpenCV library on Java Virtual Machine
jmcardon/tsec - Type-safe general-cryptography library - https://jmcardon.github.io/tsec/
cakesolutions/scala-kafka-client - Scala helper modules for operating the Apache Kafka client library (0.9.x - 2.1.0)
spotify/ratatool - A tool for data sampling, data generation, and data diffing
nrinaudo/kantan.csv - CSV handling library for Scala
sbt/zinc - Scala incremental compiler library, used by sbt and other build tools
opencypher/morpheus - Morpheus brings the leading graph query language, Cypher, onto the leading distributed processing platform, Spark.
Baeldung/scala-tutorials - Supporting code for the tutorials on https://www.baeldung.com/scala
creativescala/doodle - Compositional vector graphics in Scala / Scala.JS
softwaremill/diffx - Pretty diffs for scala case classes
softwaremill/kmq - Kafka-based message queue
xerial/sbt-sonatype - A sbt plugin for publishing Scala/Java projects to the Maven central.
twitter/scala_school2 - Scala School 2
mattlianje/layoutz - Simple, beautiful CLI output
eed3si9n/scalaxb - scalaxb is an XML data binding tool for Scala.
typelevel/natchez - functional tracing for cats
jrudolph/pekko-http-scala-js-websocket-chat - An example app that integrates pekko-http and scala-js to implement a websocket chat
japgolly/scalacss - Super type-safe CSS for Scala and Scala.JS.
rockthejvm/scala-2-beginners - The official repository for the Rock the JVM Scala 2 for beginners course
typelevel/discipline - Flexible law checking for Scala
scala/scala3-example-project - An example sbt project that compiles using Dotty
higherkindness/mu-scala - Mu is a purely functional library for building RPC endpoint based services with support for RPC and HTTP/2
psliwa/idea-composer-plugin - PhpStorm plugin that adds code completion in composer.json file
fun-cqrs/fun-cqrs - Fun.CQRS is a Scala CQRS/ES framework. It provides the basic blocks to build event driven aggregates with Event Sourcing.
doriordan/skuber - A Scala Kubernetes client library
scala-js/scala-js-dom - Statically typed DOM API for Scala.js
elodina/scala-kafka - Quick up and running using Scala for Apache Kafka
notxcain/aecor - Pure functional event sourcing runtime
gnieh/diffson - A scala diff/patch library for Json
aselab/scala-activerecord - ActiveRecord-like ORM library for Scala
typelevel/cats-tagless - Library of utilities for tagless final encoded algebras
mattpap/IScala - Scala backend for IPython
scanamo/scanamo - Simpler DynamoDB access for Scala
scala/scala-xml - The standard Scala XML library
scalikejdbc/scalikejdbc-async - ScalikeJDBC Extension: Non-blocking APIs in the JDBC way
valskalla/odin - Fast & Functional logger in Scala
typelevel/fs2-kafka - Functional Kafka Streams for Scala
MAIF/otoroshi - Lightweight api management on top of a modern http reverse proxy
alexarchambault/case-app - Type-level & seamless command-line argument parsing for Scala
riy/degraph - Test and Visualize and Manage Dependencies of classes and packages in JVM Byte Code (think Scala and Java)
rockthejvm/scala-at-light-speed - The repository for the free Scala at Light Speed mini-course
akka/akka-persistence-jdbc - Asynchronously writes journal and snapshot entries to configured JDBC databases so that Akka Actors can recover state
lemonlabsuk/scala-uri - Simple scala library for building and parsing URIs
softwaremill/scala-clippy - Good advice for Scala compiler errors
typesafehub/zinc - ⛔️ [DEPRECATED] sbt's scala incremental compiler
scalala/Scalala - Scalala has been superseded by dlwh/breeze. Scalala is a high performance numeric linear algebra library for Scala, with rich Matlab-like operators on vectors and matrices; a library of numerical routines; support for plotting.
mjakubowski84/parquet4s - Read and write Parquet in Scala. Use Scala classes as schema. No need to start a cluster.
brikis98/ping-play - BigPipe streaming for the Play Framework
khipu-io/khipu - An enterprise blockchain platform based on Ethereum
fthomas/crjdt - A conflict-free replicated JSON datatype (CRDT) in Scala
aws/sagemaker-spark - A Spark library for Amazon SageMaker.
fwbrasil/activate - Abandoned: Pluggable persistence in Scala
BlueBrain/nexus - Blue Brain Nexus - A knowledge graph for data-driven science
spotify/big-data-rosetta-code - Code snippets for solving common big data problems in various platforms. Inspired by Rosetta Code
simerplaha/SwayDB - Persistent and in-memory key-value storage engine for JVM that scales on a single machine.
makenowjust-labs/recheck - The trustworthy ReDoS checker
lampepfl/gears - A strawman for a low-level async library in Scala 3.
manub/scalatest-embedded-kafka - A library that provides an in-memory Kafka instance to run your tests against.
garyaiki/Scala-Algorithms - Scala translations of Robert Sedgewick's Java Algorthms
scaldi/scaldi - Lightweight Scala Dependency Injection Library
lihaoyi/Scalatex - Programmable, Typesafe Document Generation
jonifreeman/sqltyped - Embedding SQL as an external DSL into Scala
dispatch/classic - [UNSUPPORTED] Dispatch Classic. See dispatch/reboot for the modern Dispatch for Scala 2.11/2.12
scala-hamsters/hamsters - A mini Scala utility library
scala-labs/scala-labs - A collection of hands-on programming exercises aimed at teaching you to program in Scala
mongodb/mongo-scala-driver - Former repository of MongoDB Scala driver. Official Scala driver can now be found here: https://github.com/mongodb/mongo-java-driver
softwaremill/supler - Rapid Form Development library. Use your favourite JS frontend & Scala backend frameworks.
AugustNagro/magnum - A 'new look' for database access in Scala
scalaprops/scalaprops - property based testing library for Scala
codahale/jerkson - [ABANDONED] The Scala applewood bacon to Jackson's chicken breast: JSON cordon bleu.
rockthejvm/spark-essentials - The official repository for the Rock the JVM Spark Essentials with Scala course
monadless/monadless - Syntactic sugar for monad composition in Scala
krasserm/streamz - A combinator library for integrating Functional Streams for Scala (FS2), Akka Streams and Apache Camel
swagger-akka-http/swagger-akka-http - Support for generating Swagger REST API documentation for Akka-Http based services.
kyleu/boilerplay - Using the latest technology in the Scala ecosystem, Boilerplay is a reactive web application built on Play Framework, ScalaJS, Silhouette, Sangria/GraphQL, and PostgreSQL. It provides a good starting point for whatever you want to build.
hbase-rdd/hbase-rdd - Spark RDD to read, write and delete from HBase
typelevel/CT_from_Programmers.scala - Scala sample code for Bartosz Milewski's CT for Programmers
raquo/Airstream - State propagation and event streams with mandatory ownership and no glitches
scalad/LayIM - 基于HTML5 WebSocket的一款IM即时通讯软件，使用Gradle集成了Scala、SpringBoot、Spring MVC、Mybatis、Redis等，前端使用了LayIm框架
scala/scala-dist - sbt project that packages the Scala 2 distribution
Tenchi2xh/Scurses - Scurses, terminal drawing API for Scala, and Onions, a Scurses framework for easy terminal UI
blemale/scaffeine - Thin Scala wrapper for Caffeine (https://github.com/ben-manes/caffeine)
zio-archive/zio-actors - A high-performance, purely-functional library for building, composing, and supervising typed actors based on ZIO
non/debox - Fast, deboxed, specialized data structures for Scala
hedgehogqa/scala-hedgehog - Release with confidence, state-of-the-art property testing for Scala.
potigol/potigol - Linguagem Potigol - Linguagem de programação funcional moderna para iniciantes - A Functional Programming Language for Beginners
albuch/sbt-dependency-check - SBT Plugin for OWASP DependencyCheck. Monitor your dependencies and report if there are any publicly known vulnerabilities (e.g. CVEs). :rainbow:
kailuowang/henkan - A small library for converting between case classes.
HairyFotr/linter - Static Analysis Compiler Plugin for Scala
jorgeortiz85/scala-time - A Scala wrapper for Joda Time
Chymyst/curryhoward - Automatic code generation for Scala functions and expressions via the Curry-Howard isomorphism
scala-ts/scala-ts - :wrench: Scala datamodel transpiler
linkedin/isolation-forest - A distributed Spark/Scala implementation of the isolation forest and extended isolation forest algorithms for unsupervised outlier detection, featuring support for scalable training and ONNX export for easy cross-platform inference.
com-lihaoyi/scalasql - Scala ORM to query SQL databases from Scala via concise, type-safe, and familiar case classes and collection operations. Connects to Postgres, MySql, H2, and Sqlite out of the box
scalameta/sbt-native-image - Plugin to generate native-image binaries with sbt
ctongfei/nexus - Experimental tensor-typed deep learning
ThoughtWorksInc/Dsl.scala - A framework to create embedded Domain-Specific Languages in Scala
DanielaSfregola/twitter4s - An asynchronous non-blocking Scala client for both the Twitter Rest and Streaming API
playforscala/sample-applications - Sample applications that go with the book Play for Scala
mashupbots/socko - A Scala web server powered by Netty networking and AKKA processing.
foursquare/fsqio - A monorepo that holds all of Foursquare's opensource projects
ThoughtWorksInc/each - A macro library that converts native imperative syntax to scalaz's monadic expressions
kitlangton/neotype - A friendly newtype library for Scala 3
ghik/silencer - Scala compiler plugin for warning suppression
sbt/sbt-scalariform - sbt plugin adding support for source code formatting using Scalariform
greencatsoft/scalajs-angular - AngularJS Binding for Scala.js
propensive/contextual - Statically-checked string interpolation in Scala
paypal/gimel - Big Data Processing Framework - Unified Data API or SQL on Any Storage
nativelibs4java/ScalaCL - ScalaCL - run Scala on your GPU!
com-lihaoyi/acyclic - Acyclic is a Scala compiler plugin to let you prohibit circular dependencies between files
playframework/play-mailer - Play mailer plugin
playframework/anorm - The Anorm database library
nbronson/scala-stm - A library-based Software Transactional Memory (STM) for Scala, coupled with transactional sets and maps
d2iq-archive/chaos - A lightweight framework for writing REST services in Scala.
velvia/ScalaStorm - Harness the power and elegance of Scala with nathanmarz's Storm real-time system
com-lihaoyi/PPrint - Pretty-printing value, types and type-signatures in Scala
cequence-io/openai-scala-client - Scala client for OpenAI API and other major LLM providers
portable-scala/sbt-crossproject - Cross-platform compilation support for sbt.
llm4s/llm4s - Agentic and LLM Programming in Scala
twitter-archive/cassie - A Scala client for Cassandra
fogus/baysick - An embedded Insane-specific Language for Scala implementing the BASIC programming language
cibotech/evilplot - A Scala combinator-based plotting library.
jrudolph/json-lenses - A library to query and update JSON data in Scala.
jaceklaskowski/scalania - Learn Scala by examples
zio/zio-config - Easily use and document any config from anywhere in ZIO apps
sirthias/borer - Efficient CBOR and JSON (de)serialization in Scala
traneio/arrows - High-performance Arrow and Task in Scala
altoo-ag/akka-kryo-serialization - Kryo-based serialization for Akka
tindzk/seed - Build tool for Scala projects
theiterators/reactive-microservices - Project showcasing different microservice communication styles using Scala, Akka, Play and other tools from Scala ecosystem
ScalablyTyped/Converter - Typescript to Scala.js converter
G-Research/spark-extension - A library that provides useful extensions to Apache Spark and PySpark.
Azure/azure-event-hubs-spark - Enabling Continuous Data Processing with Apache Spark and Azure Event Hubs
alexarchambault/scalacheck-shapeless - Generation of arbitrary case classes / ADTs instances with scalacheck and shapeless
zalando/grafter - Grafter is a library to configure and wire Scala applications
scalacenter/scala-3-migration-guide - The Scala 3 migration guide for everyone.
nivanov/cosplay - 🕹 2D ASCII Game Engine for Scala3
sorm/sorm - A functional boilerplate-free Scala ORM
com-lihaoyi/fansi - Scala/Scala.js library for manipulating Fancy Ansi colored strings
zio-archive/zio-sql - Type-safe, composable SQL for ZIO applications
sjrd/scala-js-ts-importer - TypeScript Importer for Scala.js
sirthias/scala-ssh - Remote shell access via SSH for your Scala applications
lihaoyi/workbench - Tooling around scala-js
input-output-hk/mantis - A Scala based client for Ethereum-like Blockchains.
harana/search - Search everything, instantly.
Qbeast-io/qbeast-spark - Qbeast-spark: DataSource enabling multi-dimensional indexing and efficient data sampling. Big Data, free from the unnecessary!
agourlay/cornichon - Testing tool in Scala for HTTP JSON API
SpinGo/op-rabbit - The Opinionated RabbitMQ Library for Scala and Akka
CleverCloud/pulsar4s - Idiomatic, typesafe, and reactive Scala client for Apache Pulsar
chrisokasaki/scads - Scala Algorithms and Data Structures
sbt/sbt-fresh - sbt-plugin to create an opinionated fresh sbt project
Comcast/ip4s - Defines immutable, safe data structures for describing IP addresses, multicast joins, socket addresses and similar IP & network related data types
codeport/scala - LascoDan(Korea Scala Group) scala study
47degrees/github4s - A GitHub API wrapper written in Scala
VladKopanev/zio-saga - Purely Functional Transaction Management In Scala With ZIO
ShellRechargeSolutionsEU/akka-rabbitmq - RabbitMq client in Scala and Akka actors
scalameta/sbt-scalafmt - sbt plugin for Scalafmt
alexarchambault/plotly-scala - Scala bindings for plotly.js
scala/scala-abide - obsolete; visit https://github.com/scalacenter/scalafix instead
debasishg/sjson - Scala Json with capabilities for Scala Object Serialization
zio/zio-intellij - A companion IntelliJ IDEA plugin for the ZIO library ecosystem.
zio/zio-protoquill - Quill for Scala 3
playframework/play-ws - Standalone Play WS, an async HTTP client with fluent API
OlivierBlanvillain/monadic-html - Tiny DOM binding library for Scala.js
scala/scala-parallel-collections - Parallel collections standard library module for Scala 2.13+
scalacenter/scaladex - The Scala Package Index
dmurvihill/courier - send electronic mail with scala
SandroGrzicic/ScalaBuff - the scala protocol buffers (protobuf) compiler
timowest/scalagen - Java to Scala transformation
FaKod/neo4j-scala - Scala wrapper for Neo4j Graph Database
nativelibs4java/Scalaxy - Compiler plugin goodies for Scala (continuation of non-OpenCL part of ScalaCL)
j-mie6/parsley - A fast and modern parser combinator library for Scala
pablosmedina/ckite - CKite - A JVM implementation of the Raft distributed consensus algorithm written in Scala
TomasMikula/libretto - Declarative concurrency and stream processing library for Scala
spray/twirl - The Play framework Scala template engine, stand-alone and packaged as an SBT plugin
concurrent-programming-in-scala/learning-examples - Code examples for the book Learning Concurrent Programming in Scala
PagerDuty/scheduler - A Scala library for scheduling arbitrary code to run at an arbitrary time.
outr/youi - Next generation user interface and application development in Scala and Scala.js for web, mobile, and desktop.
com-lihaoyi/mainargs - A small, convenient, dependency-free library for command-line argument parsing in Scala
typelevel/otel4s - An OpenTelemetry library for Scala based on Cats-Effect
runarorama/scala-machines - A stream processing library for Scala
ShellRechargeSolutionsEU/ocpp - Open Charge Point Protocol
scala/scala-collection-compat - makes some Scala 2.13 APIs (primarily collections, also some others) available on 2.11 and 2.12, to aid cross-building
playframework/play-scala-rest-api-example - Example Play Scala application showing REST API
stryker-mutator/stryker4s - Mutation testing for Scala
creativescala/creative-scala - Quick, graphical, fun introduction to programming in Scala.
alephium/alephium - Reference client for Alephium protocol
danielkorzekwa/bayes-scala - Bayesian Networks in Scala
daizikaikou/learningSpark - 学习spark写的scala代码，工具使用的是IDEA2017.1.6,欢迎star
Bayer-Group/cloudformation-template-generator - A type-safe Scala DSL for generating CloudFormation templates
lihaoyi/workbench-example-app - An example application written in ScalaJS using scala-js-dom and scala-js-workbench
josephguan/scala-design-patterns - Design patterns implemented in Scala.
MAIF/izanami - Izanami is a centralized versatile feature flag solution, well suited for micro service architectures.
boundary/scalang - Scalang is a scala wrapper that makes it easy to write services that interface with erlang.
nau/jscala - Scala macro that produces JavaScript from Scala code.
lunatech-labs/lunatech-scala2-to-scala3-course - Lunatech course - "Moving forward from Scala 2 to Scala 3"
input-output-hk/scrypto - Cryptographic primitives for Scala
epfldata/squid - Squid – type-safe metaprogramming and compilation framework for Scala
julianpeeters/avrohugger - Generate Scala case class definitions from Avro schemas
cloudify/sPDF - Create PDFs from Scala using plain old HTML and CSS. Uses wkhtmltopdf on the back-end which renders HTML using Webkit.
typelevel/shapeless-3 - Generic programming for Scala
tailhq/DynaML - Scala Library/REPL for Machine Learning Research
heathermiller/progfun-stats - Visualize statistics from the MOOC "Functional Programming Principles in Scala" using Scala!
djspiewak/parseback - A Scala implementation of parsing with derivatives
debasishg/scala-redis-nb - Implementation of a non blocking Redis client in Scala using Akka IO
zalando-incubator/remora - Kafka consumer lag-checking application for monitoring, written in Scala and Akka HTTP; a wrap around the Kafka consumer group command. Integrations with Cloudwatch and Datadog. Authentication recently added
ThoughtWorksInc/Compute.scala - Scientific computing with N-dimensional arrays
rssh/scala-gopher - Implementation of CSP constructions (Communication Sequence Process, i.e. go-like channels) in scala
asdud/Bigdata_project - 电商大数据项目-推荐系统(java和scala语言)
zio-archive/zio-keeper - A ZIO library for building distributed systems
Verizon/quiver - A reasonable library for modeling multi-graphs in Scala
RazorSh4rk/random-word-api - Simple scala rest api that serves random words
opensourceteams/spark-scala-maven-2.4.0 - Spark2.4.0 学习笔记分享
avast/scala-server-toolkit - Functional programming toolkit for building server applications in Scala.
vmunier/sbt-web-scalajs - SBT plugin to use Scala.js along with any sbt-web server.
scala/collection-strawman - Implementation of the new Scala 2.13 Collections
spirom/spark-streaming-with-kafka - Self-contained examples of Apache Spark streaming integrated with Apache Kafka.
gvolpe/pfps-examples - :izakaya_lantern: Standalone examples shown in the book "Practical FP in Scala: A hands-on approach"
kenbot/goggles - Pleasant, yet principled Scala optics DSL
Algomancer/Full-Stack-Scala-Starter - Play 2.5, ScalaJS, Binding.scala starter project.
typelevel/cats-effect-testing - Integration between cats-effect and test frameworks
dotty-cps-async/dotty-cps-async - experimental CPS transformer for dotty
SidneyXu/AndroidDemoIn4Languages - Comparison among Java, Groovy, Scala, Kotlin in Android Development.
ucsc-vama/essent - high-performance RTL simulator
pathikrit/metarest - Scala macros to generate RESTful Models
japgolly/scala-graal - Make usage of Graal features easy and safe from Scala. Also features Scala-based React SSR.
eryk/squant - SQuant是使用scala语言编写的量化开发工具箱，提供开箱即用的A股股票数据和外汇数据（docker镜像），以及高效的回测框架与交易模块。方便Java/Scala爱好者进行量化投资研究。 QQ群：281599099，微信公众号：Python量化交易实战。对，我已经转python了。。。
swoop-inc/spark-alchemy - Collection of open-source Spark tools & frameworks that have made the data engineering and data science teams at Swoop highly productive
stevej/scala-json - Scala JSON toolkit. Originally from the Odersky "Stairway" Book, tightened up and tests added by Twitter, Inc.
slack-scala-client/slack-scala-client - A scala library for interacting with the slack api and real time messaging interface
pniederw/expecty - Power assertions (as known from Groovy and Spock) for the Scala language.
playframework/play-scala-websocket-example - Example Play Scala application showing WebSocket use with Akka actors
Philippus/sbt-dotenv - ⏺️ Dotenv implementation for Scala sbt builds. Configures environment for local development.
liancheng/scalafix-organize-imports - A CI-friendly Scalafix semantic rule for organizing imports
jto/validation - validation api extracted from play
DanielaSfregola/random-data-generator - Random generator of test data in Scala based on Scalacheck and Shapeless
trace4cats/trace4cats - Distributed app tracing implementation in pure scala using cats-effect
lightbend-labs/jardiff - A tool for comparing JAR files, including method bodies and Scala 2 pickled signatures
typelevel/paiges - an implementation of Wadler's a prettier printer
sbt-doctest/sbt-doctest - Doctest for scala
lightbend/kafka-streams-scala - Thin Scala wrapper around Kafka Streams Java API
lastland/scala-forklift - Type-safe data migration tool for Slick, Git and beyond.
japgolly/nyaya - Random Data Generation and/or Property Testing in Scala & Scala.JS.
zio/zio-logging - Powerful logging for ZIO 2.0 applications, with compatibility with many logging backends out-of-the-box.
zio-archive/zio-nio - A small, unopinionated ZIO interface to NIO.
Nycto/Hasher - A small Scala library for easily generating hashes (md5, sha1, sha256, sha512, crc32, bcrypt, hmacs, pbkdf2)
ilya-klyuchnikov/tapl-scala - Code from the book "Types and Programming Languages" in Scala
sbt/sbt-header - sbt-header is an sbt plugin for creating file headers, e.g. copyright headers
wiringbits/scala-webapp-template - A pragmatic skeleton to build web applications in Scala/Scala.js, including user registration, login, admin portal, and, deployments
Verizon/knobs - A reasonable configuration library for Scala
SETL-Framework/setl - A simple Spark-powered ETL framework that just works 🍺
kubukoz/sup - Composable, purely functional healthchecks in Scala.
jvican/dijon - A Dynamically Typed Scala Json Library
jpzk/mockedstreams - Scala DSL for Unit-Testing Processing Topologies in Kafka Streams
jaspervz/todo-http4s-doobie - A sample project of a microservice using http4s, doobie, and circe.
augustjune/canoe - Functional Telegram Bot API for Scala
xebia-functional/nine-cards-v2 - An Open Source Android Launcher built with Scala on Android
vinta/albedo - A recommender system for discovering GitHub repos, built with Apache Spark
mDialog/smoke - Simple, asynchronous HTTP using Scala.
ceedubs/ficus - Scala-friendly companion to Typesafe config - moved to https://github.com/iheartradio/ficus
typelevel/sbt-typelevel - Let sbt work for you.
travisbrown/iteratee - Iteratees for Cats
hrj/abandon - :relieved: Simple and Robust Accounting
eligosource/eventsourced-example - A Scala web application demonstrating event-sourcing best practices
norbert-radyk/spoiwo - Scala POI Wrapper for the spreadsheet generation in Excel:
monix/minitest - The super light testing library for Scala and Scala.js
makingthematrix/scalaonandroid - A tutorial and examples of how to write Android apps in Scala 2.13 and Scala 3.
SystemFw/upperbound - A purely functional rate limiter
ComputeNode/cyfra - Multi-platform GPGPU computations with Scala, seamlessly 🚀
spotify/magnolify - A collection of Magnolia add-on modules
mpilquist/Structures - Functional type classes for Scala
lamdor/scala-koans - The Scala Koans
Tapad/sbt-docker-compose - Integrates Docker Compose functionality into sbt (archived as unmaintained)
bizzabo/diff - Visually compare Scala data structures with out of the box support for arbitrary case classes.
bizreach-inc/play2-hands-on - Play2 + Slick / ScalikeJDBCを使ってWebアプリケーションを作成するハンズオンです。
atware/scuruto - An internal knowledge sharing app
oyvindberg/bleep - A bleeping fast scala build tool!
aztek/scala-workflow - Boilerplate-free syntax for computations with effects
typesafehub/scalalogging - Convenient and performant logging in Scala
sbt/sbt-site - Site generation for sbt
qifun/stateless-future - Asynchronous programming in fully featured Scala syntax.
miciek/grokkingfp-examples - All examples and exercises from the Grokking Functional Programming book
leobenkel/ZparkIO - Boiler plate framework to use Spark and ZIO together.
jdegoes/functional-scala - The repository for the Functional Scala workshop.
harrah/browse - A Scala source code browser
frees-io/iota - Fast [co]product types with a clean syntax. For Cats & Scalaz.
pepegar/hammock - Purely functional HTTP client
lichess-org/lila-ws - Lichess' websocket server
axel22/Ctries - Scala implementation of the Ctrie datastructure.
neotypes/neotypes - Scala lightweight, type-safe, asynchronous driver for neo4j
Log4s/log4s - High-performance SLF4J wrapper for Scala.
linkedin/LiFT - The LinkedIn Fairness Toolkit (LiFT) is a Scala/Spark library that enables the measurement of fairness in large scale machine learning workflows.
folone/poi.scala - Scala library for creating and manipulating Excel documents
pelotom/effectful - A syntax for type-safe effectful computations in Scala
sirthias/swave - A lightweight Reactive Streams Infrastructure Toolkit for Scala.
scala-blitz/scala-blitz - Scala framework for efficient sequential and data-parallel collections -
sbt/sbt-protobuf - sbt plugin for compiling protobuf files
sentenza/PureCSV - A type-safe and boilerplate-free CSV library for Scala
VirtusLab/besom - Besom - a Pulumi SDK for Scala. Also, incidentally, a broom made of twigs tied round a stick. Brooms and besoms are used for protection, to ward off evil spirits, and cleansing of ritual spaces.
ReactivePlatform/Pragmatic-Scala - Pragmatic Scala 中文版——《Scala实用指南》代码清单（包含 SBT 版本（切到sbt分支））
djspiewak/anti-xml - The scala.xml library has some very annoying issues. Time for a clean-room replacement!
rjagerman/glint - Glint: High performance scala parameter server
propensive/kaleidoscope - Statically-checked inline matching on regular expressions in Scala
Ichoran/thyme - Thyme is a microbenchmark utility for Scala. It includes Parsley, a (simple) local profiling tool.
fwbrasil/bond - Type-level validation for Scala
oleg-py/meow-mtl - Next Level MTL for Scala
inca/circumflex - [UNMAINTAINED] Circumflex — lightweight Scala-based Web application framework and ORM
pbassiner/sbt-multi-project-example - sbt multi-project example
pathikrit/sauron - Yet another Scala lens macro
KarelCemus/play-redis - Play framework 2 cache plugin as an adapter to redis-server
zio/zio-schema - Compositional, type-safe schema definitions, which enable auto-derivation of codecs and migrations.
sjrd/scala-js-example-app - Example application built with Scala.js
scala-exercises/exercises-scalatutorial - Exercises for the "Functional Programming Principles in Scala", part of the FP in Scala specialized program by EPFL.
scalajs-io/nodejs - This project provides Scala.js type-safe bindings for Node.js (current) v8.7.0 and LTS v6.11.4 APIs. The platform supports MEAN (MongoDB, Express, AngularJs, NodeJS), Cassandra, MySQL and many other npm projects.
scala-exercises/exercises-stdlib - Scala Exercises' lessons for the standard library
mariussoutier/PlayBasics - Example code for my tutorial series about Play Framework 2.x
kxbmap/configs - Scala wrapper for Typesafe config
jdegoes/lambdaconf-2014-introgame - Online material for the Introduction to Functional Game Programming with Scala workshop.
fthomas/singleton-ops - Operations for primitive and String singleton types
zio-archive/zio-akka-cluster - ZIO wrapper for Akka Cluster
underscoreio/slickless - Support for shapeless HLists/Generics in Slick.
svroonland/rezilience - ZIO-native utilities for making resilient distributed systems
sstone/amqp-client - [THIS PROJECT HAS BEEN ARCHIVED AND IS NO LONGER MAINTAINED] Simple fault-tolerant AMQP client written in Scala and based on Akka and the RabbitMQ java client
rockthejvm/scala-2-advanced - The Scala 2 version (old) of the Advanced Scala course
storm-enroute/coroutines - Scala coroutines implementation.
Chymyst/chymyst-core - Declarative concurrency in Scala - The implementation of the chemical machine
chiselverify/chiselverify - A dynamic verification library for Chisel.
chandu0101/scalajs-react-components - Reusable scalajs-react components
tpunder/fm-sbt-s3-resolver - SBT Plugin that adds support for resolving and publishing using Amazon S3
pheymann/typedapi - Build your web API on the type level.
lucidsoftware/relate - Performant database access in Scala
justin-db/JustinDB - ⚛️ JustinDB is a highly available globally distributed key-value data store.
zio/zio-direct - Direct-Style Programming for ZIO
regb/scala-game-library - Scala library for cross-platform 2D game development
theiterators/kebs - Scala library to eliminate boilerplate
sndnv/stasis - Multiplatform backup and recovery system with emphasis on security and privacy
scala-records/scala-records - Labeled records for Scala based on structural refinement types and macros.
gaelrenoux/tranzactio - ZIO wrapper around Doobie and Anorm.
delorum/scage - game engine written in Scala
archivesunleashed/aut - The Archives Unleashed Toolkit is an open-source toolkit for analyzing web archives.
zio/izumi-reflect - TypeTag without scala-reflect. Supports Scala 2 and Scala 3.
maxpumperla/ScalphaGoZero - An independent implementation of DeepMind's AlphaGoZero in Scala, using Deeplearning4J (DL4J)
spray/spray-can - A low-overhead, high-performance, fully async HTTP 1.1 server and client library implemented entirely in Scala on top of Akka
scala/scala-seed.g8 - Giter8 template for a simple hello world app in Scala.
bytedeco/storch - GPU accelerated deep learning and numeric computing for Scala 3.
zio/zio-query - Add efficient pipelining, batching, and caching to any data source
sparkling-graph/sparkling-graph - SparklingGraph provides easy to use set of features that will give you ability to proces large scala graphs using Spark and GraphX.
openmole/openmole - Workflow engine for exploration of simulation models using high throughput computing
mybatis/scala - The Scala version of MyBatis SQL Mapper
gkossakowski/kentuckymule - Limits of Scala typechecking speed
zio/zio-aws - Low level ZIO interface for the full AWS
youzan/gatling-dubbo - A gatling plugin for running load tests on Apache Dubbo(https://github.com/apache/incubator-dubbo) and other java ecosystem.
t3hnar/scala-bcrypt - Scala wrapper for jBcrypt + pom.xml inside
playframework/play-scala-isolated-slick-example - Example Play Slick Project
Livestream/scredis - Non-blocking, ultra-fast Scala Redis client built on top of Akka IO, used in production at Livestream
gothinkster/scala-play-realworld-example-app - Exemplary real world application built with Scala 2.13 & Play
dwickern/scala-nameof - Get the name of an variable, function, class member, or type as a string--at compile-time!
ca-archived/aeromock - Lightweight mock web application server
bwmcadams/hammersmith - Pure asynchronous MongoDB Driver for Scala.
tofu-tf/typed-schema - Typelevel http service definition DSL
sbt-jib/sbt-jib - sbt version of sbt jib: https://github.com/GoogleContainerTools/jib
retronym/macrocosm - Exploration of Scala macros
krzemin/octopus - Scala library for boilerplate-free validation
kitlangton/scala-update - Update your Scala dependencies interactively
erikerlandson/coulomb - coulomb: unit analysis for Scala
vasnake/Principles-of-Reactive-Programming - Principles of Reactive Programming, Scala: assignments and other code from Coursera https://class.coursera.org/reactive-002
stripe/dagon - Tools for rewriting and optimizing DAGs (directed-acyclic graphs) in Scala
lihaoyi/Scalite - An experimental whitespace-delimited syntax for the Scala programming language
ElAlev/Wayeb - Wayeb is a Complex Event Processing and Forecasting (CEP/F) engine written in Scala.
vagmcs/Optimus - Optimus is a mathematical programming library for Scala.
scapegoat-scala/sbt-scapegoat - sbt plugin for scapegoat scala static analysis plugin
scala-chart/scala-chart - Scala Chart Library
prnicolas/ScalaMl - Project, source code and data files for 1st edition "Scala for Machine Learning"
kubuszok/hearth - The first Scala macros' standard library
TimWSpence/cats-stm - A STM implementation for Cats Effect
schemasafe/troy - Type-safe and Schema-safe Scala wrapper for Cassandra driver
lolgab/snunit - Scala Native HTTP server based on FreeUnit
com-lihaoyi/castor - Castor is a lightweight, typed Actor library for Scala and Scala.js
bplawler/crawler - Scala DSL for web crawling
sterglee/scalalab - ScalaLab: Efficient MATLAB like scientific computing for the Java platform with the current Scala 2.13. For Scala 3 the equivalent project is dottylab: https://github.com/sterglee/dottylab
lucidsoftware/neo-sbt-scalafmt - Scalafmt SBT plugin
b-studios/scala-effekt - Extensible algebraic effects with handlers
51zero/eel-sdk - Big Data Toolkit for the JVM
EmergentOrder/onnx-scala - An ONNX (Open Neural Network eXchange) API and backend for typeful, functional deep learning and classical machine learning in Scala 3
davenverse/fuuid - Functional UUID's for Scala
coral-streaming/coral - Coral is a real-time analytics and data science platform. It transforms streaming events and extract patterns from data via RESTful APIs. Built on Scala, Akka, Cassandra and Spray.
acrosa/scala-redis - A scala library for connecting to a redis server, or a cluster of redis nodes using consistent hashing on the client side.
yawaramin/scala-modules - Experimental implementations of ML-style modules in Scala
underscoreio/essential-macros - Examples of simple Scala Macros
Nutomic/ensichat - Project discontinued
mkotsur/aws-lambda-scala - Writing AWS Lambdas in Scala
johanandren/futiles - The missing utils for working with Scala Futures
japgolly/test-state - Scala Test-State.
ebowman/api-first-hand - API-First bootstrapping tool for building RESTful web services from a Swagger/OpenAPI spec
VirtusLab/iskra - Typesafe wrapper for Apache Spark DataFrame API
scredis/scredis - Non-blocking, ultra-fast Scala Redis client built on top of Akka IO.
parapet-io/parapet - A purely functional library for building distributed and event-driven systems.
mikeyhu/scaladiagrams - Generate class diagrams from scala source code
marklister/product-collections - A very simple, strongly typed, scala framework for tabular data. A collection of tuples. A strongly typed scala csv reader and writer. A lightweight idiomatic dataframe / datatable alternative.
lihaoyi/hands-on-scala-js - Better documentation for Scala.js
ingoem/scala-react - Scala.react is a reactive programming library for Scala.
botkop/scorch - scorch is a deep learning framework in Scala inspired by PyTorch
plokhotnyuk/rtree2d - RTree2D is a 2D immutable R-tree for ultra-fast nearest and intersection queries in plane and spherical coordinates
P7h/Spark-MLlib-Twitter-Sentiment-Analysis - :star2: :sparkles: Analyze and visualize Twitter Sentiment on a world map using Spark MLlib
japgolly/clear-config - Scala FP configuration library with a focus on runtime clarity
evolution-gaming/scala-bootcamp - Scala Bootcamp
crossroad0201/ddd-on-scala - DDD sample implementation by Scala.
yareally/android-scala-intellij-no-sbt-plugin - Directions on how to create a Scala based project in Intellij IDEA without having to resort to additional plugins or external building that cripples the nice features of the IDE.
xebia-functional/scala-android - Scala on Android Examples
scala/scala-swing - Scala wrappers for Java's Swing API for desktop GUIs
scala/community-build - Scala 2 community build — a corpus of open-source repos built against Scala nightlies
zio/zio-cli - Rapidly build powerful command-line applications powered by ZIO
Spinoco/fs2-http - Http Server and client using fs2
scalastyle/scalastyle-sbt-plugin - scalastyle-sbt-plugin
picnicml/doddle-model - :cake: doddle-model: machine learning in Scala.
leanovate/play-mockws - Mock WS client for Play Framework
CodelyTV/scala-ddd-example - λ🎯 Hexagonal Architecture + DDD + CQRS applied in Scala using Akka HTTP
bytedeco/storch-recommend - pure pytorch recommend system on scala3
xebia-functional/scala-days-android - Official Android app for Scala Days
rladstaetter/LogoRRR - A simple and straightforward log viewer that displays the events of interest in a clear and concise visual manner so that you can identify them faster.
mandubian/neurocat - From neural networks to the Category of composable supervised learning algorithms in Scala with compile-time matrix checking based on singleton-types
fthomas/fs2-cron - FS2 streams based on cron expressions
finagle/featherbed - Asynchronous Scala HTTP client using Finagle, Shapeless and Cats
bokeh/bokeh-scala - Scala bindings for Bokeh plotting library
armanbilge/calico - Pure, reactive UI library for Scala.js
microsoft/scala_torch - Scala bindings for LibTorch
darrenjw/scala-course - Scala for Statistical Computing and Data Science Short Course
andyglow/scala-jsonschema - Scala JSON Schema
sief/play-guard - Play2 module for rate limiting, based on token bucket algorithm
rcardin/yaes - A direct-style effect system in Scala 3 that tracks effects
sbt/sbt-jni - SBT Plugin to ease working with JNI
paradigmatic/Configrity - Simple, immutable and flexible configuration library for scala.
julianpeeters/sbt-avrohugger - sbt plugin for generating Scala sources for Apache Avro schemas and protocols.
jasongoodwin/authentikat-jwt - JWT Scala Implementation - Claims based auth for Scala.
camunda/feel-scala - FEEL parser and interpreter written in Scala
yahoo/maha - A framework for rapid reporting API development; with out of the box support for high cardinality dimension lookups with druid.
twitter/tormenta - Scala extensions for Storm
ekrich/sconfig - Scala configuration library supporting HOCON for Scala, Java, Scala.js, and Scala Native
widok/widok - Reactive web framework for the JVM and Scala.js
STHSF/TextRank - 基于PageRank的TextRank方法, 可以应用于中文关键词、短语、摘要提取程序，代码使用Scala编写。
scalacenter/scalac-profiling - Compilation profiling tool for Scala 2 projects
sbt/flyway-sbt - An sbt plugin for Flyway database migration
plokhotnyuk/actors - Evaluation of API and performance of different actor libraries
joan38/kubernetes-client - A Kubernetes client for Scala
eed3si9n/treehugger - treehugger.scala is a library to code Scala programmatically.
Clustering4Ever/Clustering4Ever - C4E, a JVM friendly library written in Scala for both local and distributed (Spark) Clustering.
circe/circe-derivation - Fast type class instance derivation for Circe
zio/zio-blocks - Powerful, joyful building blocks for modern cloud-native applications.
xored/scala-js-react - ScalaJS interface for Facebook React
MemVerge/splash - Splash, a flexible Spark shuffle manager that supports user-defined storage backends for shuffle data storage and exchange
scalafx/scalafx-ensemble - scalafx ensemble
mtkopone/scct - Scala Code Coverage Tool
jodersky/akka-serial - Reactive serial communication library for Akka and Scala.
jesseeichar/scala-io - Repository for work on Scala Standard Library I/O components
dwhjames/datomisca - Datomisca: a Scala API for Datomic
blockchain-unica/blockapi - A general framework for blockchain analytics
TyGuS/suslik - Synthesis of Heap-Manipulating Programs from Separation Logic
circe/circe-config - Yet another Typesafe config Scala wrapper powered by circe
ashwinbhaskar/functional-way - Write small programs (eg -algorithms) in a functional way.
alonsodomin/cron4s - Cross-platform CRON expression parsing for Scala
abbruzze/kernal64 - A Scala Commodore 64, 128, VIC20, CBM2 and SuperCPU emulator
SwissBorg/lithium - Lithium - A split-brain resolver for Akka-Cluster
sbt/sbt-unidoc - sbt plugin to create a unified Scaladoc or Javadoc API document across multiple subprojects.
heathermiller/spores - Scala Spores, safe mobile closures.
GravityLabs/HPaste - HBase DSL for Scala with MapReduce support
epfl-lara/ScalaZ3 - DSL in Scala for Constraint Solving with Z3 SMT Solver
xxxnell/flex - Probabilistic deep learning for data streams.
hmil/RosHTTP - Unified Scala.js + Scala HTTP client API
business4s/workflows4s - Simple, Composable, Business-oriented Workflows for Scala
VladKopanev/cats-saga - Purely Functional Transaction Management In Scala With Cats
taoran92/SwordOffer - :fire:剑指offer题解（Java & Scala实现）
smart-data-lake/smart-data-lake - Smart Automation Tool for building modern Data Lakes and Data Pipelines
mDialog/scala-zeromq - Thread-safe ZeroMQ for Scala
Kanaka-io/play-monadic-actions - A simple scala DSL to allow clean and monadic style for Play! Actions
henrikerola/scaladin - Scala API for Vaadin Framework
eed3si9n/gigahorse - Gigahorse is an HTTP client for Scala with multiple backend support.
dwhjames/aws-wrap - Asynchronous Scala Clients for Amazon Web Services
Ahnfelt/react4s - Production ready React wrapper for Scala.js - composable lifecycle - no memoization, no macros, no implicits.
kitlangton/zio-app - Quickly create and develop full-stack Scala apps with ZIO and Laminar.
Kirill5k/mongo4cats - MongoDB Java client wrapper for Cats Effect & FS2 and ZIO
hussachai/play-scalajs-showcase - Play+Scala.js Showcase
exercism/scala - Exercism exercises in Scala.
ciren/cilib - Typesafe, purely functional Computational Intelligence
AnormCypher/AnormCypher - Neo4j Scala library based on Anorm in the Play Framework
alexkvak/teamcity-slack - TeamCity Slack plugin
kogecoo/dl4j-examples-scala - [NO LONGER MAINTAINED] a simple scala porting of https://github.com/deeplearning4j/dl4j-examples
jleetutorial/scala-spark-tutorial - Project for James' Apache Spark with Scala course
iheartradio/kanaloa - Make your service more resilient by providing protection against traffic oversaturation
GrahamLea/scala-spring-hibernate-maven-webapp - [ARCHIVED] Code for kickstarting a webapp using Scala + Spring + Hibernate + Maven + Selenium WebDriver PageObject Web Tests
zio/zio-telemetry - ZIO-powered OpenTelemetry library
SidneyXu/JGSK - Java,Groovy,Scala,Kotlin 四种语言的特点对比
Sergey80/scala-samples - There are pieces of scala code that explain Scala syntax and related things - like what you can do with all this
scalacenter/macros - Archived - Scala Macros
sbt/sbt-jacoco - an sbt plugin for JaCoCo Code Coverage
sameersingh/scalaplot - Library to plot graphs using a scala frontend, and various backends such as gnuplot, jfreegraph, matplotlib, etc.
reactiverse/vertx-lang-scala - Vert.x for Scala
nafg/slick-migration-api - Schema manipulation dialects and DSL for Slick
loicdescotte/pureWebappSample - Minimal http4s + Doobie + ZIO + Circe Scala application to show how to build a purely functional web application in Scala.
zalando/beard - A lightweight, logicless templating engine, written in Scala and inspired by Mustache
paulgoldbaum/scala-influxdb-client - Asynchronous InfluxDB client for Scala
foundweekends/pamflet - a publishing application for short texts
tethys-json/tethys - AST free JSON library for Scala
softwaremill/scala-common - Tiny independent libraries with a single purpose, often a single class
scala-lms/tutorials - Tutorials on Lightweight Modular Staging
lightbend-labs/scala-sculpt - Dependency extraction for Scala codebases, to aid in modularizing
ktonga/reactive-turtle - Scala and Akka for kids. A Functional Programming approach for the well known LOGO.
guillaumebort/scasm - A a dynamic x86_64 assembler in Scala — Code for the live coding session @ Devoxx france 2016
ashwinbhaskar/scala-to-dotty - Dotty way of writing Scala 2 code
scalacenter/sbt-scalafix - sbt plugin for Scalafix
MasseGuillaume/ScalaKata - Moved
gonmarques/slick-repo - CRUD Repositories for Slick based persistence Scala projects.
sonar-scala/sonar-scala - A free and open-source SonarQube plugin for static code analysis of Scala projects.
oyvindberg/tui-scala - Beautiful Text-based User Interfaces for Scala
underscoreio/essential-scala - Source code for Underscore's Essential Scala
julienrf/scalm - Elm-inspired Scala library for writing web user interfaces
crobox/clickhouse-scala-client - Clickhouse Scala Client with Reactive Streams support
47degrees/scalacheck-toolbox - A helping hand for generating sensible data with ScalaCheck
nraychaudhuri/scalainaction - Code examples from scala in action book
ing-bank/scruid - Scala + Druid: Scruid. A library that allows you to compose queries in Scala, and parse the result back into typesafe classes.
bowler-framework/Bowler - RESTful Web Framework based on Scala, built on top of Scalatra & Scalate
typelevel/spotted-leopards - Proof of concept for a cats-like library built using Dotty features
ohnosequences/sbt-s3-resolver - :cloud:Amazon S3-based resolver for sbt
Katrix/AckCord - A Discord library for Scala using Akka
criteo/cuttle - An embedded job scheduler.
alexarchambault/ammonite-spark - Run spark calculations from Ammonite
mmolimar/kukulcan - A REPL for Apache Kafka
vmunier/akka-http-scalajs.g8 - Giter8 template to get started with Akka HTTP and Scala.js.
meetuparchive/archery - 2D R-Tree implementation in Scala
gzoller/ScalaJack - Fast JSON parser/generator for Scala
bioscala/bioscala - Bioinformatics for the Scala programming language
scalasummerschool/lectures - Learn Functional Programming in Scala
scalacenter/scala3-migrate - A tool to help migrating from Scala 2 to Scala 3
okumin/akka-persistence-sql-async - A journal and snapshot store plugin for akka-persistence using RDBMS.
JohnReedLOL/scala-trace-debug - Macro based print debugging. Locates log statements in your IDE.
codacy/codacy-analysis-cli - The Codacy Analysis CLI is a command line interface that enables you to execute Codacy code analysis locally.
ACINQ/bitcoin-lib - Simple bitcoin library written in Scala
yoshikyoto/lgtmoon - LGTM画像を簡単に作成できるアプリ
Thangiee/Freasy-Monad - Easy way to create Free Monad using Scala macros with first-class Intellij support.
potigol/beecrowd - 800+ Soluções de Problemas do Beecrowd usando a Linguagem Potigol
lloydmeta/diesel - Boilerplate-free, zero-overhead Tagless Final / typed-final / Finally Tagless DSLs in Scala
dyweb/scrala - Unmaintained :whale: :coffee: :spider: Scala crawler(spider) framework, inspired by scrapy, created by @gaocegege
zenecture/neuroflow - Artificial Neural Networks for Scala
typr-dev/typr - Seal Your System's Boundaries
scala-interop/slinc - Scala <-> C interop
sake92/hepek - Typesafe HTML templates and static site generator in pure Scala
mwunsch/handlebars.scala - A Scala implementation of the Handlebars templating language (a superset of Mustache).
fancellu/scalajs-vue - Scala.js bindings for Vue.js and an example application
evolution-gaming/kafka-journal - Event sourcing journal implementation using Kafka as main storage
debasishg/frdomain-extras - Additional accompaniment to Functional and Reactive Domain Modeling
scala/scala-collection-contrib - community-contributed additions to the Scala 2.13 collections
sbt/sbt-boilerplate - sbt plugin for generating scala.Tuple/Function related boilerplate code
roboscala/sbt-robovm - An sbt plugin for iOS development in Scala
microsoft/Azure-Databricks-NYC-Taxi-Workshop - An Azure Databricks workshop leveraging the New York Taxi and Limousine Commission Trip Records dataset
inoio/solrs - An async, non-blocking solr client for java/scala, providing a query interface like SolrJ
gideondk/Raiku - A non-blocking - Akka IO driven - Riak client for Scala with a cute DSL
davidB/scala-archetype-simple - a simple maven archetype for project in scala
sparsetech/pine - Functional HTML5 and XML library for the Scala platform
scala-tsi/scala-tsi - Generate typescript interfaces from your scala classes
scalameta/metabrowse - Static site generator for code search with IDE features for Scala
propensive/soundness - A platform of libraries for Scala 3
playframework/scalatestplus-play - ScalaTest + Play
ITV/scala-pact - A Scala implementation of CDC using the Pact standard
holdenk/spark-validator - A library you can include in your Spark job to validate the counters and perform operations on success. Goal is scala/java/python support.
chenkelmann/actuarius - A markdown processor for the JVM written in Scala.
agemooij/sbt-prompt - An SBT plugin for making your SBT prompt more awesome
openlawteam/openlaw-core - Shared Scala libraries for the OpenLaw project.
nuttycom/xenomorph - Scala library for free applicative schemas capable of parsing/rendering sums-of-products data structures.
heroku/heroku-sbt-plugin - An sbt plugin for deploying Heroku Scala applications
carueda/tscfg - Schema-first, boilerplate-free, type-safe access to configuration properties in Java and Scala
scalawarrior/scalawarrior - Game written in Scala for learning Scala.
scala-jsonapi/scala-jsonapi - Scala support library for integrating the JSON API spec with Spray, Play! or Circe
bobye/neuron - Scala library for neural networks
fd4s/fs2-kafka - Functional Kafka Streams for Scala
MateuszKubuszok/hearth - The first Scala macros' standard library.
scalafiddle/scalafiddle-editor - Web user interface for ScalaFiddle
chucheng92/SwordOffer - :fire:剑指offer题解（Java & Scala实现）
suzaku-io/suzaku - Suzaku web UI framework for Scala
lihaoyi/scala-js-games - Some simple games ported to Scala-Js
jsuereth/scala-in-depth-source - The source code for the Scala In Depth book.
oyvindberg/typr - Typed Postgresql integration for JVM. Hopes to avoid typos
reibitto/command-center - A CLI-based launcher and general productivity tool.
scala-exercises/exercises-cats - Scala Exercises' lessons for the Cats library
oyvindberg/typo - Typed Postgresql integration for Scala. Hopes to avoid typos
sbrunk/storch - GPU accelerated deep learning and numeric computing for Scala 3.
mullerhai/storch-recommend - pure pytorch recommend system on scala3
shadaj/scala-native-wasm - Running Scala in WebAssembly through Scala Native
sisioh/scala-dddbase - Scala Library for Domain Driven-Design
softwaremill/bootzooka - Template project to quickly start developing a Scala-based microservice or web application, with the build & project structure provided
scala-ide/scala-ide-play2 - Play 2 support for Scala IDE
monix/shade - Memcached client for Scala
polyvariant/better-tostring - (b2s) Scala compiler plugin for a better default toString.
OndraFiedler/spark-recommender - Scalable recommendation system written in Scala using the Apache Spark framework
fernandoracca/skeleton - Simple Scala project template
vert-x3/vertx-lang-scala - Vert.x for Scala
magarciaEPFL/scaladotnet - Scala SDK (compiler and standard library) for .NET
hanabix/config-annotation - A refactor-friendly way to use typesafe's config by scala macro annotation
zio/zio-keeper - A ZIO library for building distributed systems
zio/zio-akka-cluster - ZIO wrapper for Akka Cluster
stephentu/scala-sql-parser - SQL parser written using Scala's parser combinator library
backuity/clist - Command Line Interface Scala Toolkit
mesosphere/chaos - A lightweight framework for writing REST services in Scala.
apache/sedona - A cluster computing framework for processing large-scale geospatial data
flyway/flyway-sbt - Flyway SBT plugin
quaich-project/quaich - Scala Serverless Microframework for AWS Lambda, inspired by Amazon's Chalice (https://github.com/awslabs/chalice)
tpolecat/doobie - Functional JDBC layer for Scala.
spaced/scala-js-d3 - d3 facade types for Scala.js
Colisweb/scala-opentracing - A tracing library for Cats and Http4s, tailored for Opentracing tracers like Datadog and Jaeger
EffectOrientedProgramming/book - Effect-Oriented Programming: Creating Reliable Systems with Scala 3 and ZIO 2
scoverage/sbt-coveralls - sbt-plugin to upload sbt-scoverage reports to coveralls
johnynek/inliner - scala macros to inline idiomatic scala for maximum performance
swagger-api/swagger-scala-module - Swagger support for scala
sksamuel/elastic4s - Elasticsearch Scala Client - Reactive, Non Blocking, Type Safe, HTTP Client
apache/incubator-pekko - Build highly concurrent, distributed, and resilient message-driven applications using Java/Scala
lloydmeta/schwatcher - File-watching library for Scala. Built on Java 7's WatchService, RxScala and Akka actors.
lampepfl/dotty - The Scala 3 compiler, also known as Dotty.
PaytmLabs/akka-batteries - Utilities for Akka cluster in production
longevityframework/longevity - A Persistence Framework for Scala and NoSQL
krasserm/akka-stream-eventsourcing - Event sourcing for Akka Streams
hempalex/scala-impatient - My solutions for "Scala for the Impatient" exercises
tristanjuricek/knockoff - A Markdown parser + object model in scala
lk-geimfari/awesomo - Cool open source projects. Choose your project and get involved in Open Source development now.
polynote/uzhttp - Minimal HTTP server for Scala+ZIO
47degrees/scala-android - Scala on Android Examples
47degrees/scala-days-android - Official Android app for Scala Days
lampepfl/async - A strawman for a low-level async library in Scala 3
lunatech-labs/lunatech-scala-2-to-scala3-course - Lunatech course - "Moving forward from Scala 2 to Scala 3"
Orkestra-Tech/orkestra - Functional DevOps with Scala and Kubernetes
MasseGuillaume/ScalaKata2 - Interactive Playground
outworkers/morpheus - Reactive type-safe Scala driver for SQL databases
planet42/Laika - Site and E-book Generator and Customizable Text Markup Transformer for sbt, Scala and Scala.js
sjrd/scala-js-actors - Actor system for Scala.js
vigoo/prox - A Scala library for working with system processes
xuwei-k/sbt-class-diagram - sbt plugin to create a class diagram
wix/accord - Accord: A sane validation library for Scala
jrudolph/akka-http-scala-js-websocket-chat - An example app that integrates akka-http and scala-js to implement a websocket chat
pbugnion/s4ds - Code samples for Scala for data science
gphat/wabisabi - Scala Asynchronous ElasticSearch HTTP Client
HouzuoGuo/schale - A subprocess interface for Scala
rudogma/scala-supertagged - Unboxed (multi-nested-)tagged + unboxed newtypes. Better and much friendlier alternative to AnyVals.
ua-parser/uap-scala - Scala port of ua-parser
scalacenter/advisoryboard - Scala Center Advisory Board planning
kailuowang/mainecoon - Transform and compose tagless final encoded algebras in scala
btlines/pbdirect - Read/Write Scala objects directly to Protobuf with no .proto file definitions
scala-ide/scala-worksheet - A Scala IDE plugin for a multi-line REPL (called worksheet)
mgonto/factory_pal - A Scala framework for creating objects as test data. Say no to Mocks
denisrosset/metal - Metal - fast unboxed data structures for Scala
jcazevedo/moultingyaml - Scala wrapper for SnakeYAML
neysofu/tyche - Statistics utilities for the JVM - in Scala!
scalan/scalan - Generic framework for development of domain-specific compilers in Scala
rklaehn/radixtree - A fast and generic immutable radix tree for scala
bfil/scala-automapper - Hassle-free case class mapping!
gnieh/fs2-data - streaming data parsing and transformation library
scala/scala-module-dependency-sample - Depend on Scala modules like a pro
rorygraves/ScalaClean - Full program static analysis for Scala
JetBrains/intellij-scala-bundle - IntelliJ Scala Bundle - get started with Scala in a single click!
lendup/fs2-blobstore - Minimal, idiomatic, stream-based Scala interface for key/value store implementations
tonyskn/coursera-scala - My solutions to Coursera's "Functional Programming in Scala"
lightbend/scala-logging - Convenient and performant logging library for Scala wrapping SLF4J.
dream11/zio-http - A scala library to write Http apps.
jvican/sbt-release-early - Opinionated sbt plugin to release your artifacts early, both on merge and via git tag.
criteo/lolhttp - An HTTP Server and Client library for Scala.
w11k/scalamodules - ScalaModules is an elegant and intuitive domain specific language for OSGi development written in the Scala programming language.
bmc/classutil - Scala-friendly, fast class-finder library (using ASM under the covers)
KyleU/boilerplay - Using the latest technology in the Scala ecosystem, Boilerplay is a reactive web application built on Play Framework, ScalaJS, Silhouette, Sangria/GraphQL, and PostgreSQL. It provides a good starting point for whatever you want to build.
NewMotion/akka-rabbitmq - RabbitMq client in Scala and Akka actors
Tinkoff/typed-schema - Typelevel http service definition DSL
CyberAgent/aeromock - Lightweight mock web application server
meetup/archery - 2D R-Tree implementation in Scala
vivri/Adjective - Programming is an exercise in linguistics; spice-up Scala types with Adjective.
ornicar/scalex - [abandoned] Hoogle-like documentation search engine, for scala
mikolak-net/travesty - Diagram- and graph-generating library for Akka Streams
bmc/grizzled-scala - A general-purpose library of miscellaneous stuff for Scala.
sirthias/scala-benchmarking-template - SBT template project for creating Scala (micro-)benchmarks based on Caliper
mefellows/sbt-dotenv - Simple Dotenv implementation for Scala SBT Builds. Configures environment for local development.
ornicar/lila - ♞ lichess.org: the forever free, adless and open source chess server ♞
rklaehn/abc - Array-based immutable collections for scala
akisaarinen/rillit - Boilerplate-free Functional Lenses for Scala 2.10
daviddenton/fintrospect - Implement fast, type-safe HTTP webservices for Finagle
djspiewak/extreme-cleverness - A set of functional collections created, ported and modified for my tak at NE Scala 2011
runarorama/Malakov - Markov Chains for Scala
getquill/quill - Compile-time Language Integrated Queries for Scala
maxcellent/lamma - Lamma schedule generator for Scala is a professional schedule generation library for periodic schedules like fixed income coupon payment, equity deravitive fixing date generation etc.
polynote/polynote - A better notebook for Scala (and more)
potigol/Potigol - Linguagem Potigol - Linguagem de programação funcional moderna para iniciantes - A Functional Programming Language for Beginners
xdotai/diff - Visually compare Scala data structures with out of the box support for arbitrary case classes.
scala-js/scala-js-java-time - Scala.js implementation for java.time in JDK8
AtomicScala/atomic-scala-examples - Examples from the book "Atomic Scala" 2nd Edition by Bruce Eckel & Dianne Marsh
scala/scala-continuations - the Scala delimited continuations plugin and library