Arduino IDE library
Arduino command line tool
Arduino libraries and code
Arduino FOC for BLDC and Stepper motors
ESP8266 core for Arduino
Arduino core for the ESP32
STM32 core support for Arduino
Open-source electronics platform
Arduino ASCOM Rotator multiple designs
MQTT gateway for ESP8266, ESP32, Sonoff RF Bridge or Arduino
A web-based interface for CNC milling controller running Grbl, Marlin,
Powerful and easy-to-use embedded GUI library with many widgets
Arduino and PlatformIO IDE compatible TFT library
The FastLED library for colored LED animation on Arduino
Cooperative multitasking for Arduino, ESPx, STM32, nRF and more
OSI Layer 2 driver for nRF24L01 on Arduino & Raspberry Pi/Linux
An Arduino NeoPixel support library
A small Arduino library for GSM modules, that just works
An open source E-ink smartwatch
Go compiler for small place
WS2812 FX library for Arduino and ESP8266
Blynk library for embedded hardware
JSON library for Arduino and embedded C++. Simple and efficient
Arduino Libraries and Sketches