Keyboard firmware for Atmel AVR and ARM controllers
Lightweight generic ring buffer manager library
An USB programmer for PIC, dsPIC, AVR, serial memories
amforth is an extendible interpreter on microcontrollers
Software build-automation tool written in Common Lisp
A GUI system for embedded systems.
BASIC-like language interpreter for embedded systems
Linux Audio Converter / Tagger / CD Ripper
A Java VM for ARDUINO and other micros using the leJOS runtime.
Self-contained tool for compiling and uploading Arduino sketches
beamshot octave scripts and bike light driver
Open Source for Internet of Things
Vanyamba Electronics library of C++ Classes for AVR.
Electronic design and programming tools suite like Eagle, MpLab
Remote control of network attached Denon AV receivers