freeRTOS for Arduino Uno, Goldilocks 1284p & Mega 2560
ESP8266 core for Arduino
Arduino FOC for BLDC and Stepper motors
OSI Layer 2 driver for nRF24L01 on Arduino & Raspberry Pi/Linux
Arduino and PlatformIO IDE compatible TFT library
Blynk library for embedded hardware
Infrared remote library for ESP8266/ESP32
An Arduino NeoPixel support library
WS2812 FX library for Arduino and ESP8266
ESP8266 Weather Station library supporting OpenWeatherMap
Install ham radio software on your favorite flavor of Ubuntu Linux
An USB programmer for PIC, dsPIC, AVR, serial memories
Cross-platform IDE for developing embedded solutions and desktops
A C++ library for AVR and NodeMCU
BASIC-like language interpreter for embedded systems
Native Apple HomeKit accessory implementation for the ESP8266 Arduino
MySensors library and examples
Open-source RTOS and Embedded Systems Toolkit for C++ and C
EtherCard is an IPv4 driver for the ENC28J60 chip
A Java VM for ARDUINO and other micros using the leJOS runtime.
Mulithreading Arduno library
Facilino: Block programming environment for Arduino
Real-Time Processing Library for OSHW Biomedical Sensors
BT configuration by AT commands for Arduino (lib)