Github Ranking
June 19, 2026 · View on GitHub
Top 100 Stars in Scala
| Ranking | Project Name | Stars | Forks | Language | Open Issues | Description | Last Commit |
|---|---|---|---|---|---|---|---|
| 1 | the-algorithm | 73445 | 13279 | Scala | 320 | Source code for the X Recommendation Algorithm | 2025-09-08T18:40:54Z |
| 2 | spark | 43476 | 29245 | Scala | 46 | Apache Spark - A unified analytics engine for large-scale data processing | 2026-06-19T02:34:45Z |
| 3 | lila | 18367 | 2696 | Scala | 1244 | ♞ lichess.org: the forever free, adless and open source chess server ♞ | 2026-06-18T22:10:17Z |
| 4 | prisma1 | 16393 | 840 | Scala | 2 | 💾 Database Tools incl. ORM, Migrations and Admin UI (Postgres, MySQL & MongoDB) [deprecated] | 2022-09-01T18:57:41Z |
| 5 | scala | 14542 | 3083 | Scala | 0 | Scala 2 compiler and standard library. Scala 2 bugs at https://github.com/scala/bug; Scala 3 at https://github.com/scala/scala3 | 2026-06-15T13:05:49Z |
| 6 | akka-core | 13272 | 3545 | Scala | 873 | A platform to build and run apps that are elastic, agile, and resilient. SDK, libraries, and hosted environments. | 2026-06-18T13:42:29Z |
| 7 | playframework | 12617 | 4031 | Scala | 410 | The Community Maintained High Velocity Web Framework For Java and Scala. | 2026-06-18T14:46:51Z |
| 8 | predictionio | 12521 | 1902 | Scala | 0 | PredictionIO, a machine learning server for developers and ML engineers. | 2021-01-09T10:30:58Z |
| 9 | bfg-repo-cleaner | 12141 | 580 | Scala | 265 | Removes large or troublesome blobs like git-filter-branch does, but faster. And written in Scala | 2025-01-19T18:52:14Z |
| 10 | CMAK | 11926 | 2479 | Scala | 497 | CMAK is a tool for managing Apache Kafka clusters | 2023-08-02T19:26:23Z |
| 11 | gitbucket | 9372 | 1266 | Scala | 300 | A Git platform powered by Scala with easy installation, high extensibility & GitHub API compatibility | 2026-06-15T22:23:47Z |
| 12 | finagle | 8867 | 1436 | Scala | 59 | A fault tolerant, protocol-agnostic RPC system | 2026-04-30T16:11:00Z |
| 13 | delta | 8859 | 2118 | Scala | 824 | An open-source storage framework that enables building a Lakehouse architecture with compute engines including Spark, PrestoDB, Flink, Trino, and Hive and APIs | 2026-06-18T07:26:15Z |
| 14 | snowflake | 7775 | 1117 | Scala | 2 | Snowflake is a network service for generating unique ID numbers at high scale with some simple guarantees. | 2020-07-22T18:08:14Z |
| 15 | XiangShan | 7075 | 913 | Scala | 65 | Open-source high-performance RISC-V processor | 2026-06-18T11:31:26Z |
| 16 | snowplow | 7013 | 1174 | Scala | 59 | The leader in Customer Data Infrastructure | 2026-06-17T13:16:14Z |
| 17 | gatling | 6923 | 1206 | Scala | 18 | Modern Load Testing as Code | 2026-06-18T11:18:14Z |
| 18 | ArnoldC | 6878 | 294 | Scala | 69 | Arnold Schwarzenegger based programming language | 2024-01-31T22:40:52Z |
| 19 | openwhisk | 6779 | 1177 | Scala | 405 | Apache OpenWhisk is an open source serverless cloud platform | 2026-06-17T16:33:42Z |
| 20 | scala3 | 6257 | 1160 | Scala | 1751 | The Scala 3 compiler, also known as Dotty. | 2026-06-18T23:33:11Z |
| 21 | frontend | 5890 | 570 | Scala | 120 | The Guardian DotCom. | 2026-06-18T23:03:05Z |
| 22 | fpinscala | 5827 | 3033 | Scala | 79 | Code, exercises, answers, and hints to go along with the book "Functional Programming in Scala" | 2024-12-11T18:19:58Z |
| 23 | cats | 5448 | 1244 | Scala | 224 | Lightweight, modular, and extensible library for functional programming. | 2026-06-15T01:12:07Z |
| 24 | linkerd | 5316 | 493 | Scala | 134 | Old repo for Linkerd 1.x. See the linkerd2 repo for Linkerd 2.x. | 2023-03-04T18:59:40Z |
| 25 | SynapseML | 5228 | 860 | Scala | 355 | Simple and Distributed Machine Learning | 2026-06-12T22:01:40Z |
| 26 | sbt | 4930 | 1035 | Scala | 453 | sbt, the interactive build tool | 2026-06-17T13:18:57Z |
| 27 | aerosolve | 4805 | 562 | Scala | 6 | A machine learning package built for humans. | 2025-11-06T00:53:40Z |
| 28 | scala-js | 4702 | 404 | Scala | 36 | Scala.js, the Scala to JavaScript compiler | 2026-06-18T15:51:21Z |
| 29 | chisel | 4688 | 650 | Scala | 355 | Chisel: A Modern Hardware Design Language | 2026-06-16T22:13:00Z |
| 30 | scala-native | 4670 | 388 | Scala | 341 | Your favorite language gets closer to bare metal. | 2026-06-18T02:53:03Z |
| 31 | scalaz | 4667 | 697 | Scala | 123 | Principled Functional Programming in Scala | 2026-06-16T00:43:39Z |
| 32 | zio | 4386 | 1593 | Scala | 144 | ZIO — A type-safe, composable library for async and concurrent programming in Scala | 2026-06-19T01:13:09Z |
| 33 | chronos | 4376 | 521 | Scala | 210 | Fault tolerant job scheduler for Mesos which handles dependencies and ISO8601 based schedules | 2022-06-29T19:43:36Z |
| 34 | spark-nlp | 4135 | 741 | Scala | 17 | State of the Art Natural Language Processing | 2026-06-18T22:54:50Z |
| 35 | marathon | 4034 | 832 | Scala | 27 | Deploy and manage containers (including Docker) on top of Apache Mesos at scale. | 2022-09-08T05:13:23Z |
| 36 | TheHive | 3926 | 693 | Scala | 821 | TheHive is a Collaborative Case Management Platform, now distributed as a commercial version | 2025-07-25T13:57:27Z |
| 37 | diffy | 3814 | 360 | Scala | 0 | Find potential bugs in your services with Diffy | 2020-07-01T19:13:06Z |
| 38 | rocket-chip | 3796 | 1272 | Scala | 263 | Rocket Chip Generator | 2026-06-02T17:57:09Z |
| 39 | deequ | 3623 | 586 | Scala | 80 | Deequ is a library built on top of Apache Spark for defining "unit tests for data", which measure data quality in large datasets. | 2026-06-18T17:26:08Z |
| 40 | atlas | 3552 | 350 | Scala | 9 | In-memory dimensional time series database. | 2026-06-18T00:41:37Z |
| 41 | scalding | 3522 | 698 | Scala | 287 | A Scala API for Cascading | 2023-05-28T19:18:59Z |
| 42 | CoolplaySpark | 3476 | 1384 | Scala | 31 | 酷玩 Spark: Spark 源代码解析、Spark 类库等 | 2022-05-18T08:55:54Z |
| 43 | breeze | 3453 | 690 | Scala | 88 | Breeze is/was a numerical processing library for Scala. | 2025-10-04T22:40:06Z |
| 44 | shapeless | 3401 | 520 | Scala | 27 | Generic programming for Scala | 2026-06-17T07:22:26Z |
| 45 | flockdb | 3317 | 249 | Scala | 0 | A distributed, fault-tolerant graph database | 2017-03-16T23:11:18Z |
| 46 | joern | 3266 | 418 | Scala | 311 | Open-source code analysis platform for C/C++/Java/Binary/Javascript/Python/Kotlin based on code property graphs. Discord https://discord.gg/vv4MH284Hc | 2026-06-18T16:10:31Z |
| 47 | shadowsocksr-v2ray-trojan-android | 3180 | 378 | Scala | 92 | A simple client for Android | 2024-02-25T00:32:29Z |
| 48 | Spark-The-Definitive-Guide | 3136 | 2898 | Scala | 25 | Spark: The Definitive Guide's Code Repository | 2020-08-26T08:17:35Z |
| 49 | elasticmq | 2883 | 202 | Scala | 19 | In-memory message queue with an Amazon SQS-compatible interface. Runs stand-alone or embedded. | 2026-06-16T01:23:37Z |
| 50 | spark-jobserver | 2837 | 973 | Scala | 108 | REST job server for Apache Spark | 2026-03-03T12:09:21Z |
| 51 | mill | 2758 | 439 | Scala | 167 | 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 | 2026-06-17T21:25:22Z |
| 52 | kestrel | 2756 | 307 | Scala | 24 | simple, distributed message queue system (inactive) | 2016-01-22T07:54:28Z |
| 53 | node2vec | 2732 | 905 | Scala | 82 | None | 2022-07-21T14:37:25Z |
| 54 | util | 2720 | 572 | Scala | 5 | Wonderful reusable code from Twitter | 2025-12-08T14:10:27Z |
| 55 | slick | 2666 | 612 | Scala | 396 | Slick (Scala Language Integrated Connection Kit) is a modern database query and access library for Scala | 2026-06-18T18:24:24Z |
| 56 | scalatra | 2648 | 336 | Scala | 63 | Tiny Scala high-performance, async web framework, inspired by Sinatra | 2026-06-18T23:42:18Z |
| 57 | scala-exercises | 2647 | 538 | Scala | 47 | The easy way to learn Scala. | 2025-09-23T13:18:05Z |
| 58 | Ammonite | 2634 | 368 | Scala | 127 | Scala Scripting | 2026-04-21T16:39:31Z |
| 59 | lagom | 2629 | 621 | Scala | 446 | Reactive Microservices for the JVM | 2023-08-14T13:43:48Z |
| 60 | scio | 2628 | 526 | Scala | 112 | A Scala API for Apache Beam and Google Cloud Dataflow. | 2026-06-19T04:02:25Z |
| 61 | http4s | 2617 | 810 | Scala | 267 | A minimal, idiomatic Scala interface for HTTP | 2026-06-17T00:44:46Z |
| 62 | circe | 2539 | 545 | Scala | 111 | Yet another JSON library for Scala | 2026-06-18T16:41:55Z |
| 63 | spray | 2493 | 552 | Scala | 69 | A suite of scala libraries for building and consuming RESTful web services on top of Akka: lightweight, asynchronous, non-blocking, actor-based, testable | 2017-02-21T11:03:37Z |
| 64 | SZT-bigdata | 2464 | 619 | Scala | 1 | 深圳地铁大数据客流分析系统🚇🚄🌟 | 2026-05-12T06:07:08Z |
| 65 | fs2 | 2447 | 630 | Scala | 106 | Compositional, streaming I/O library for Scala | 2026-06-14T09:21:51Z |
| 66 | metarank | 2429 | 110 | Scala | 94 | A low code Machine Learning personalized ranking service for articles, listings, search results, recommendations that boosts user engagement. A friendly Learn-to-Rank engine | 2025-09-24T16:56:42Z |
| 67 | kyuubi | 2346 | 1006 | Scala | 481 | Apache Kyuubi is a distributed and multi-tenant gateway to provide serverless SQL on data warehouses and lakehouses. | 2026-06-17T20:52:50Z |
| 68 | metals | 2308 | 428 | Scala | 261 | Scala language server with rich IDE features 🚀 | 2026-06-18T17:42:24Z |
| 69 | algebird | 2297 | 347 | Scala | 73 | Abstract Algebra for Scala | 2025-11-21T04:01:23Z |
| 70 | chipyard | 2292 | 877 | Scala | 159 | An Agile RISC-V SoC Design Framework with in-order cores, out-of-order cores, accelerators, and more | 2026-06-18T01:40:35Z |
| 71 | TransmogrifAI | 2275 | 400 | Scala | 35 | 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 | 2026-06-02T18:03:07Z |
| 72 | finatra | 2273 | 402 | Scala | 16 | Fast, testable, Scala services built on TwitterServer and Finagle | 2025-08-18T21:11:27Z |
| 73 | gizzard | 2247 | 205 | Scala | 0 | [Archived] A flexible sharding framework for creating eventually-consistent distributed datastores | 2017-03-16T23:21:54Z |
| 74 | cats-effect | 2234 | 574 | Scala | 199 | The pure asynchronous runtime for Scala | 2026-06-14T09:16:32Z |
| 75 | doobie | 2222 | 377 | Scala | 127 | Functional JDBC layer for Scala. | 2026-06-16T13:59:26Z |
| 76 | s3_website | 2221 | 177 | Scala | 70 | Manage an S3 website: sync, deliver via CloudFront, benefit from advanced S3 website features. | 2023-03-23T05:42:25Z |
| 77 | riscv-boom | 2183 | 510 | Scala | 136 | SonicBOOM: The Berkeley Out-of-Order Machine | 2026-03-11T00:54:55Z |
| 78 | zio-quill | 2168 | 352 | Scala | 292 | Compile-time Language Integrated Queries for Scala | 2026-06-16T00:56:17Z |
| 79 | summingbird | 2125 | 256 | Scala | 148 | Streaming MapReduce with Scalding and Storm | 2022-01-19T17:31:02Z |
| 80 | coursier | 2125 | 333 | Scala | 390 | Pure Scala Artifact Fetching | 2026-06-17T18:57:34Z |
| 81 | scaloid | 2088 | 160 | Scala | 17 | Scaloid makes your Android code easy to understand and maintain. | 2024-06-13T04:46:50Z |
| 82 | SpinalHDL | 2005 | 378 | Scala | 124 | Scala based HDL | 2026-06-12T13:14:48Z |
| 83 | Vale | 1987 | 58 | Scala | 243 | Compiler for the Vale programming language - http://vale.dev/ | 2024-05-14T13:00:21Z |
| 84 | textteaser | 1970 | 250 | Scala | 6 | TextTeaser is an automatic summarization algorithm. | 2018-02-07T06:42:57Z |
| 85 | scalacheck | 1965 | 396 | Scala | 54 | Property-based testing for Scala | 2026-06-15T01:17:19Z |
| 86 | sangria | 1960 | 218 | Scala | 51 | Scala GraphQL implementation | 2026-05-17T02:02:59Z |
| 87 | cassandra-spark-connector | 1949 | 930 | Scala | 0 | Apache Spark to Apache Cassandra connector | 2025-04-29T09:28:59Z |
| 88 | monix | 1933 | 244 | Scala | 84 | Asynchronous, Reactive Programming for Scala and Scala.js. | 2026-06-02T12:29:27Z |
| 89 | feathr | 1929 | 244 | Scala | 140 | Feathr – A scalable, unified data and AI engineering platform for enterprise | 2024-04-04T19:17:41Z |
| 90 | byzer-lang | 1837 | 539 | Scala | 112 | Byzer (former MLSQL): A low-code open-source programming language for data pipeline, analytics and AI. | 2024-05-29T08:24:09Z |
| 91 | spire | 1774 | 238 | Scala | 133 | Powerful new number types and numeric abstractions for Scala. | 2026-06-12T13:43:28Z |
| 92 | graphcool-framework | 1755 | 125 | Scala | 498 | None | 2020-09-04T16:57:58Z |
| 93 | giter8 | 1753 | 225 | Scala | 49 | a command line tool to apply templates defined on GitHub | 2026-06-16T15:43:52Z |
| 94 | refined | 1729 | 152 | Scala | 64 | Refinement types for Scala | 2026-06-16T16:44:35Z |
| 95 | OpenComputers | 1715 | 483 | Scala | 131 | Home of the OpenComputers mod for Minecraft. | 2026-05-31T10:55:34Z |
| 96 | OBP-API | 1715 | 472 | Scala | 195 | An open source RESTful API platform for banks that supports Open Banking, XS2A, PSD2 and Open Finance through access to accounts, transactions, counterparties, payments, entitlements and metadata - plus a host of internal banking and management APIs. | 2026-06-18T10:43:53Z |
| 97 | Monocle | 1696 | 208 | Scala | 51 | Optics library for Scala | 2026-06-14T22:02:15Z |
| 98 | skunk | 1658 | 174 | Scala | 79 | A data access library for Scala + Postgres. | 2026-06-16T14:02:09Z |
| 99 | scalajs-react | 1656 | 231 | Scala | 14 | Facebook's React on Scala.JS | 2026-06-18T21:02:15Z |
| 100 | elastic4s | 1640 | 686 | Scala | 11 | 🔍 Elasticsearch Scala Client - Reactive, Non Blocking, Type Safe, HTTP Client | 2026-06-14T21:19:53Z |