STM32 core support for Arduino
Arduino library to play MOD, WAV, FLAC, MIDI, RTTTL, MP3
Arduino and PlatformIO IDE compatible TFT library
Native Apple HomeKit accessory implementation for the ESP8266 Arduino
Arduino core for ATtiny 1634, 828, x313, x4, x41, x5, x61, x7 and x8
Android app for MXQ TVbox to control an Arduino board via USB from PHP
Electronic design and programming tools suite like Eagle, MpLab
5IO Keypad Library for Arduíno