STM32 core support for Arduino
Arduino and PlatformIO IDE compatible TFT library
Serial Bootloader for Microchip, Atmel, NXP, TI, 8051 microcontrolers
An Open Source POWERLINK Stack
Native Apple HomeKit accessory implementation for the ESP8266 Arduino
A framework for implementing real-time control systems
Upload, save and run keystroke injection payloads with an ESP8266
Open source observatory control software
Summary
Custom firmware and IDE for the VEX Cortex Microcontroller
Arduino lx200 based computerized telescope
4.4BSD-based UNIX-like operating system for CNC / machine control