Building and running ancient Linux on Windows
amforth is an extendible interpreter on microcontrollers
AO RTOS is small real time OS based on Active Object concurrency model
Software development for 4Mb portable, using Z80 CPU and AA batteries
OS bootable from Linux,Windows and others partitions as auxiliary OS
UNIX/LINUX and legal homebrew software on the xbox360 gaming console
RTOS for Secure, Safe and Real-Time Systems
A UNIX-like kernel for the i386 architecture
a very fast full system simulator
Custom firmware and IDE for the VEX Cortex Microcontroller
Project has been move to https://github.com/ciaa/Firmware