The PHP Interpreter

MicroPython - a lean and efficient Python implementation for microcontrollers and constrained systems

Open-source keyboard firmware for Atmel AVR and Arm USB families

A lightweight online game framework

Tinyhttpd 是J. David Blackstone在1999年写的一个不到 500 行的超轻量型 Http Server，用来学习非常不错，可以帮助我们真正理解服务器程序的本质。官网:http://tinyhttpd.sourceforge.net

Kernel source tree for Raspberry Pi-provided kernel builds. Issues unrelated to the linux kernel should be posted on the community forum at https://forums.raspberrypi.com/

Primary Git Repository for the Zephyr Project. Zephyr is a new generation, scalable, optimized, secure RTOS for multiple hardware architectures.

RT-Thread is an open source IoT Real-Time Operating System (RTOS).

Lua based interactive firmware for ESP8266, ESP8285 and ESP32

low cost software radio platform

http request/response parser for c

Small, fast and powerful console music player for Unix-like operating systems.

RIOT - The friendly OS for IoT

code and manual

Open source STM32 MCU programming toolset

Keyboard firmwares for Atmel AVR and Cortex-M

open-source IEEE 802.11 WiFi baseband FPGA (chip) design: driver, software

QEMU Interactive Runtime Analyser

An ultra-lightweight(ROM<1.6K, RAM<0.3k), high-performance C/C++ log library. | 一款超轻量级(ROM<1.6K, RAM<0.3k)、高性能的 C/C++ 日志库

The official git repository for Contiki, the open source OS for the Internet of Things

In application debugger for ARM Cortex microcontrollers.

transparent TCP-to-proxy redirector

Proxmark 3

AWTK = Toolkit AnyWhere(a cross-platform embedded GUI)

Build your hardware, easily!

Official repository for mtr, a network diagnostic tool

A asymmetric coroutine library for C.

Airtunes emulator! Shairport is no longer maintained.

Ettercap Project