Multiplatform USB DFU host utility
A cross-platform library to access USB devices
Capture and control API for IIDC compliant cameras
ESP8266 core for Arduino
Improve keyboard comfort and usability with advanced customization
An USB programmer for PIC, dsPIC, AVR, serial memories
Alternative firmware for ESP8266 with easy configuration
Convert your Android phone to any USB device you like
mouse & keyboard sharing via LAN
Roccat hardware support for Linux
Linux Infrared Remote Control
A simple daemon to control fan speed on all MacBook/MacBook Pros
The keyboard and mouse sharing tool
Open Source Solid Modeling CAD
Blynk library for embedded hardware
STM32 core support for Arduino
Linux GPIB Driver package (source)