TTF-GDOS is an Atari GDOS replacement that uses true type fonts
Building and running ancient Linux on Windows
RTOS for Secure, Safe and Real-Time Systems
A UNIX-like kernel for the i386 architecture
A small operating system, compatible with MS-DOS, written in assemly
A low-power ISA design and simulator for a 2010 IEEE competition
A hamradio DSP tranceiver on a Cortex-M4 MCU (STM32F4xx)