Alternative firmware for ESP8266 and ESP32 based devices with easy configuration using webUI, OTA updates, automation using timers or rules, expandability and entirely local control over MQTT, HTTP…

Espressif IoT Development Framework. Official development framework for Espressif SoCs.

Transmits AM radio on computers without radio transmitting hardware.

Open source STM32 MCU programming toolset

Use AirPlay to stream to UPnP/Sonos & Chromecast devices

Fork of http://sourceforge.net/projects/mjpg-streamer/

GPAC Ultramedia OSS for Video Streaming & Next-Gen Multimedia Transcoding, Packaging & Delivery

esp8266 wifi-serial bridge, outbound TCP, and arduino/AVR/LPC/NXP programmer

Open source implementation of OPC UA (OPC Unified Architecture) aka IEC 62541 licensed under Mozilla Public License v2.0

Adafruit GFX graphics core Arduino library, this is the 'core' class that all our other graphics libraries derive from

Bring enhanced HID functions to your Arduino!

Arduino library to play MOD, WAV, FLAC, MIDI, RTTTL, OGG/Opus, MP3, and AAC files on I2S DACs or with a software emulated delta-sigma DAC on the ESP8266 and ESP32 and Pico

Xiaomi Smart Home Device Reverse Engineering and Hacking

Supporting tools for Android/Linux on the iPhone

AirPlay Unix mirroring server

Mini Drone/Quadcopter Firmware for ESP32 and ESP32-S Series SoCs.

Lua RTOS for ESP32

nRF Connect SDK main repository

STM32 stuff

jabcode - color bar code

New Hoverboard Firmware Hack. Now written from scratch and generally much better.

Arduino library for TinyUSB

Steam Controller reverse engineering and customization project.

USB to UART&JTAG bridge, implemented on ESP32-S2 or ESP32-S3

A WEB Based OBDII Dongle Platform using the ESP32 WROVER Module

OpenSource Hoverboard firmware based on Niklas Fauth's one https://github.com/NiklasFauth/hoverboard-firmware-hack

Alternative openhaystack firmware

Microwave controlled via Raspberry Pi

GStreamer Integration with Unity using a Native plugin