amforth is an extendible interpreter on microcontrollers
A GUI system for embedded systems.
BASIC-like language interpreter for embedded systems
A Java VM for ARDUINO and other micros using the leJOS runtime.
EtherCard is an IPv4 driver for the ENC28J60 chip
Open Source for Internet of Things
Microcontroller Task Scheduler
Ada compiler support for TI MSP430 processors
Simple AVR OS
FW and HW design for a 7-key chording keyboard