freeRTOS for Arduino Uno, Goldilocks 1284p & Mega 2560
Powerful and easy-to-use embedded GUI library with many widgets
An open source E-ink smartwatch
Arduino and PlatformIO IDE compatible TFT library
Arduino library to play MOD, WAV, FLAC, MIDI, RTTTL, MP3
Lightweight generic ring buffer manager library
PICSimLab is a realtime emulator for PIC, Arduino, STM32, ESP32, ...
An USB programmer for PIC, dsPIC, AVR, serial memories
Hardware-optimized Arduino library
Cross-platform IDE for developing embedded solutions and desktops
Native Apple HomeKit accessory implementation for the ESP8266 Arduino
Package desktop applications as AppImages that run on common Linux
Ada cross compiler and libraries for AVR µCs
An open source ecosystem for IoT development
Open-source RTOS and Embedded Systems Toolkit for C++ and C
Arduino Ethernet library for communicating with S7 Siemens PLC
A Java VM for ARDUINO and other micros using the leJOS runtime.
Mulithreading Arduno library
AM/PM Digital Reminder (Pets, Pills, etc.)
DMX Library and usage examples for Arduino
Librería para generación de señales de VGA con Arduino estándar
Electronic design and programming tools suite like Eagle, MpLab