A curated list of awesome open source IoT frameworks, libraries and software.

Note that the list only features components we think are particularly relevant for IoT (e.g they are appropriate for use in embedded IoT devices, deal with the specific constraints of IoT communication networks, etc.). The reader will want to refer to the Awesome catalog for more references in his/her programming language or technical field of choice.

• Awesome Open IoT
  • Connectivity
    • Bluetooth 4.0, Bluetooth Smart (BLE)
    • enOcean
    • KNX
    • LoRa / LoRaWAN
    • NFC
    • RS-232 / Serial
    • RS-485
    • ZigBee
    • Z-Wave
  • Data Encoding
    • CBOR
    • FlatBuffers
    • Protocol Buffers
  • Data Visualization
  • Data Storage
  • Device Discovery
    • mDNS / Bonjour
    • uPNP
  • Gateway
  • Home Automation
  • Messaging
    • CoAP
    • Modbus
    • MQTT
    • MQTT-SN
    • OPC-UA
  • Operating Systems
  • Remote Management
    • LWM2M
    • OMA-DM
    • SNMP
    • TR-069
  • Robotics and Physical computing
  • Security
    • DNS-SEC
    • DTLS
    • TLS
  • Workflow management
• Contributing

Connectivity

Bluetooth 4.0, Bluetooth Smart (BLE)

Name	Description	License	Language
bluez	Official Linux Bluetooth protocol stack	GPL	C
Gatt	Gatt is a Go package for building Bluetooth Low Energy peripherals	BSD-3	Go
noble	A Node.js BLE (Bluetooth Low Energy) central module	MIT	Node.js

enOcean

Name	Description	License	Language
EnJ	EnJ: EnOcean Java library	ASL	Java
Python EnOcean	A Python library for reading and controlling EnOcean devices	MIT	Python
serialport-enocean-parser	An EnOcean Serial Protocol 3 (ESP3) parser for node-serialport	WTFPL	Node.js

KNX

TBC

LoRa / LoRaWAN

Name	Description	License	Language
LoRa packet forwarder	A program running on the host of a Lora Gateway that forward RF packets receive by the concentrator to a server through a IP/UDP link, and emits RF packets that are sent by the server.	BSD-3	C
The Things Network	A complete LoRaWAN network stack (router, broker, message handler)	MIT	Go

NFC

Name	Description	License	Language
libnfc	libnfc is a library which allows userspace application access to NFC devices.	LGPL v3	C
Go NFC	Go bindings for libnfc	LGPL v3	Go
Node NFC	Node.js bindings for libnfc	MIT	Node.js
Java NFC	nfctools library for Java	ASL	Java

RS-232 / Serial

Name	Description	License	Language
Java Simple Serial Connector	Platform-independent serial port access for Java	LGPL	Java
rxtx	A Java cross platform wrapper library for the serial port	LGPL	Java/C
OpenJDK Device/IO	The Device I/O Project provides a Java-level API for accessing generic device peripherals on embedded devices.	GPL w/ classpath exception	Java/C

RS-485

TBC

ZigBee

TBC

Z-Wave

TBC

Data Encoding

This section focuses on data encoding formats that are particularly appropriate for IoT scenarios (i.e bandwidth or battery efficient, small memory footprint, …)

CBOR

Name	Description	License	Language
TinyCBOR	TinyCBOR is Intel's industrial strength C/C++ implementation of CBOR, as used in the IoTivity framework.	MIT	C

More at: http://cbor.io/impls.html

FlatBuffers

Name	Description	License	Language
Offical libraries from Google	FlatBuffers is an efficient cross platform serialization library for games and other memory constrained apps.	ASLv2	C++, C#, C, Go, Java, JavaScript, PHP, Python

Protocol Buffers

Name	Description	License	Language
Offical libraries from Google	Protocol Buffers (a.k.a., protobuf) are Google's language-neutral, platform-neutral, extensible mechanism for serializing structured data.	BSD-3	C++, Java, Python, Objective-C, C#, JavaScript, Ruby, Go
nanopb	Nanopb is a small code-size Protocol Buffers implementation in ansi C. It is especially suitable for use in microcontrollers, but fits any memory restricted system.	BSD-3	C

Data Visualization

See awesome-dataviz.

Data Storage

Name	Description	License	Language
CrateDB	CrateDB is a distributed SQL database that makes it simple to store and analyze massive amounts of machine data in real-time.	Apache 2.0	Java

Device Discovery

mDNS / Bonjour

Name	Description	License	Language
mdns	Simple mDNS client/server library in Golang	MIT	Go
bonjour	mDNS/DNS-SD (also known as Apple Bonjour) library for Go (in pure Go)	MIT	Go
node_mdns	mDNS/zeroconf/bonjour service discovery add-on for Node.js	MIT	Node.js
mdnsjava	Multicast DNS (mDNS) & DNS-Based Service Discovery (DNS-SD) in Java	BSD	Java

uPNP

Name	Description	License	Language
goupnp	goupnp is a UPnP client library for Go	BSD-2	Go
UpnpServer	Fast and light upnp server for Node.js	GPLv2	Node.js
Cling	Java/Android UPnP library and tools	LGPL/CDDL-1.0	Java

Gateway

Name	Description	License	Language
Eclipse Kura	Eclipse Kura is a Java/OSGi-based framework for IoT gateways		Java
OpenWrt	OpenWrt is an embedded operating system based on the Linux kernel, primarily used on embedded devices to route network traffic	GPLv2	C, Lua
UBOS	UBOS is an Arch-derived Linux distro optimized for cost-efficient administration Personal Servers and Indie IoT Devices	Linux	many

Home Automation

Name	Description	License	Language
Calaos	Calaos is a free software project (GPLv3) that lets you control and monitor your home.	GPLv3	C++
Freedomotic	Freedomotic is an open source, flexible, secure Internet of Things (IoT) development framework, useful to build and manage modern smart spaces.	GPLv2	Java
openHAB	The open Home Automation Bus (openHAB) project aims at providing a universal integration platform for all things around home automation	EPL	Java
Eclipse SmartHome	The Eclipse SmartHome project is a framework that allows building smart home solutions that have a strong focus on heterogeneous environments. It provides a uniform access to devices and information and to facilitate different kinds of interactions with them.	EPL	Java
Home Assistant	Home Assistant is a home automation platform running on Python 3. It is able to track and control all devices at home and offer a platform for automating control.	Apache 2.0	Python 3

Messaging

CoAP

Name	Description	License	Language
Californium	Californium is a Java CoAP implementation for IoT Cloud services.	EPL/EDL	Java
microcoap	A small CoAP implementation for microcontrollers	MIT	C (Arduino)
gocoap	Implementation of CoAP in go	MIT	Go
node-coap	node-coap is a Node.js client and server library for CoAP modelled after the http module.	MIT	Node.js

Modbus

Name	Description	License	Language
go modbus	Fault-tolerant implementation of modbus protocol in Go	BSD-3	Go
j2mod	Enhanced Modbus library implemented in the Java programming language	Apache	Java
libmodbus	libmodbus is a free software library to send/receive data with a device which respects the Modbus protocol. This library can use a serial port or an Ethernet connection.	LGPL v2.1	C
modbus4j	A high-performance and ease-of-use implementation of the Modbus protocol written in Java by Infinite Automation Systems and Serotonin Software. Supports ASCII, RTU, TCP, and UDP transports as slave or master, automatic request partitioning and response data type parsing.	GPL v3	Java
node-modbus-stack	A StreamStack implementation of the MODBUS protocol, for NodeJS.	MIT	Node.js
pymodbus	A full modbus protocol written in Python	BSD	Python

MQTT

Name	Description	License	Language
Eclipse Paho	The Eclipse Paho project provides open-source client implementations of MQTT	EPL/EDL	Java, Python, Javascript, Go, C, .Net (C#), Embedded C/C++
Eclipse Mosquitto	Eclipse Mosquitto is an open source message broker that implements the MQTT protocol versions 3.1 and 3.1.1. [...] This makes it suitable for "Internet of Things" messaging such as with low power sensors or mobile devices such as phones, embedded computers or microcontrollers like the Arduino.	EPL/EDL	C, Python
Moquette	Moquette is a lightweight MQTT broker in Java	ASLv2	Java
MQTT.js	MQTT.js is a client library for the MQTT protocol, written in JavaScript for node.js and the browser.	MIT	Javascript

MQTT-SN

Name	Description	License	Language
mqtt-sn-tools	Command line tools written in C for the MQTT-SN (MQTT for Sensor Networks) protocol.	MIT	C

OPC-UA

Name	Description	License	Language
Eclipse Milo	Eclipse Milo provides all the tools necessary to implement OPC Unified Architecture (UA) client and/or server functionality in any JVM-based project.	EPL/EDL	Java
node-opcua	An implementation of a OPC UA stack fully written in Javascript and Node.js	MIT	Node.js
OPC UA .NET	The official OPC Foundation OPC UA .NET Stack and sample applications.	GPLv2	.Net
open62541	An open source and free C (C99) OPC UA stack licensed	MPLv2	C

Operating Systems

Name	Description	License	Language
Contiki	Contiki is an open source operating system for the Internet of Things. Contiki connects tiny low-cost, low-power microcontrollers to the Internet.	BSD-3	C
FreeRTOS	A cross-platform real-time operating system	GPL-like	C
mbed OS	ARM® mbed™ OS is an open source embedded operating system designed specifically for the "things" in the Internet of Things (IoT). It includes all the features you need to develop a connected product based on an ARM Cortex-M microcontroller	ASLv2	C/C++
OpenWrt	OpenWrt is an embedded operating system based on the Linux kernel, primarily used on embedded devices to route network traffic	GPLv2	C, Lua
RIOT-OS	RIOT OS is an operating system for Internet of Things (IoT) devices. It is based on a microkernel and designed for energy efficiency, hardware independent development and a high degree of modularity	LGPL	C
UBOS	UBOS is an Arch-derived Linux distro optimized for cost-efficient administration Personal Servers and Indie IoT Devices	Linux	many
Zephyr	Zephyr Project is a small, scalable real-time operating system for use on resource-constrained systems supporting multiple architectures.	ASLv2	C

Remote Management

Libraries that can be used to implement remote management of IoT devices

LWM2M

Name	Description	License	Language
Betwixt	Betwixt is a LWM2M Client and Server in Go	ASL	Go
Eclipse Leshan	Eclipse Leshan is a LWM2M implementation in Java	EPL/EDL	Java
lwm2m-node-lib	lwm2m-node-lib is a library for building LWM2M applications (client and server) in Javascript	AGPL	Node.js
Eclipse Wakaama	Eclipse Wakaama is a LWM2M implementation in C	EPL/EDL	C
AwaLWM2M	Awa LWM2M is an implementation of the OMA Lightweight M2M protocol in C	BSD-3	C

OMA-DM

Name	Description	License	Language
libdmclient	libdmclient implements the client-side of OMA DM 1.2 protocol	ASL	C

SNMP

Name	Description	License	Language
SNMP4J	SNMP4J is an enterprise class free open source and state-of-the-art SNMP implementation for Java™ SE 1.4 or later	ASL	Java
GoSNMP	A simple SNMP library written in Go	BSD	Go

TR-069

Name	Description	License	Language
netcwmp	A software client for enabling TR-069 in embedded devices	ASLv2	C

Robotics and Physical computing

Name	Description	License	Language
Artoo	Artoo is a micro-framework for robotics using Ruby.	ASLv2	Ruby
Cylon.js	Cylon.js is a JavaScript framework for robotics, physical computing, and the Internet of Things.	ASLv2	Node.js
Gobot	Gobot is a framework using the Go programming language for robotics, physical computing, and the Internet of Things.	ASLv2	Go

Security

DNS-SEC

Name	Description	License	Language
Dnsruby	Dnsruby is a pure Ruby DNS client library which implements a stub resolver and supports DNSSEC	ASLv2	Ruby
dnssecjava	A DNSSEC validating stub resolver for Java.	EPL	Java

DTLS

Name	Description	License	Language
DTLS Go	DTLS 1.2 in Go	MIT	Go
Eclipse Scandium	The Scandium (Sc) sub-project within Californium implements DTLS 1.2 to secure your application through ECC with pre-shared keys, certificates, or raw public keys.	EPL/EDL	Java
Eclipse TinyDTLS	tinydtls is a library for Datagram Transport Layer Security (DTLS) covering both the client and the server state machine. tinydtls is a library for Datagram Transport Layer Security (DTLS) covering both the client and the server state machine.	EPL/EDL	C
mbed TLS	mbed TLS (previously PolarSSL) is an implementation of the TLS and SSL protocols and the respective cryptographic algorithms and support code required.	ASLv2	C
OpenSSL	OpenSSL is an open source project that provides a robust, commercial-grade, and full-featured toolkit for the Transport Layer Security (TLS) and Secure Sockets Layer (SSL) protocols.	OpenSSL/SSLeay	C/Assembly
PyDTLS	Datagram Transport Layer Security for Python	ASLv2	Python

TLS

Name	Description	License	Language
mbed TLS	mbed TLS (previously PolarSSL) is an implementation of the TLS and SSL protocols and the respective cryptographic algorithms and support code required.	ASLv2	C
OpenSSL	OpenSSL is an open source project that provides a robust, commercial-grade, and full-featured toolkit for the Transport Layer Security (TLS) and Secure Sockets Layer (SSL) protocols.	OpenSSL/SSLeay	C/Assembly

Workflow management

Name	Description	License	Language
Node-RED	A visual tool for wiring the Internet of Things.	ASL	Node.js
huginn	Huginn is a system for building agents that perform automated tasks for you online.	MIT	Ruby
Nebula	A docker orchestrator designed to manage IoT devices	GPL v3	Python

Contributing

Contributions are very welcome! In order to be considered an Awesome Open IoT project you need the following:

• Valid OSI approved license,
• Proven record of regular commits,
• Significant community interest shown through GitHub stars,
• Project is focused on solving problems that are specific to IoT.

Please also have a look at this contributing guide for some general guidelines.