Arduino IDE library
Open-source electronics platform
ESP8266 core for Arduino
Arduino libraries and code
Arduino command line tool
Arduino core for the ESP32
Infrared remote library for Arduino, send and receive infrared signals
STM32 core support for Arduino
Arduino FOC for BLDC and Stepper motors
Arduino and PlatformIO IDE compatible TFT library
The FastLED library for colored LED animation on Arduino
Powerful and easy-to-use embedded GUI library with many widgets
Optimized firmware for RepRap 3D printers based on Arduino platform
A coin that can be mined with almost everything
MQTT gateway for ESP8266, ESP32, Sonoff RF Bridge or Arduino
Blynk library for embedded hardware
WS2812 FX library for Arduino and ESP8266
JSON library for Arduino and embedded C++. Simple and efficient
Arduino library to play MOD, WAV, FLAC, MIDI, RTTTL, MP3
OSI Layer 2 driver for nRF24L01 on Arduino & Raspberry Pi/Linux
Access USB & Bluetooth HID devices through Node.js
A small Arduino library for GSM modules, that just works
ESP8266 Weather Station library supporting OpenWeatherMap
An Arduino NeoPixel support library
Open source framework simplifying the creation of C++ applications