Open source disk encryption with strong security for the Paranoid
Free operating system for Atari computers, and more.
A cute and educational x86 OS
A microkernel-based multiserver operating system written from scratch.
SIMD macro assembler unified for ARM, MIPS, PPC and x86
an MS-DOS compatible OS, written in Pascal and i8086 assembly
UNIX/LINUX and legal homebrew software on the xbox360 gaming console
RTOS for Secure, Safe and Real-Time Systems
Pattern-based multi/many-core parallel programming framework
A UNIX-like kernel for the i386 architecture
Run Linux on the Playstation 2
HellGate™
Complete, Fast, Accurate, Game Boy/CGB/SGB Emulator.
A Practical Lock-Free General Purpose Operating System
neos, a new OS to the world!