Tool allowing you to put a Linux distro on a USB drive.
High level interface to the Linux Kernel's seccomp filter
Fast, easy to use Linux-based operating system
Root The ME302C
Neptune is a kernel and operating system for x86 PCs.
A Simple 'IDE'A for Linux Kernel Developers
A small operating system, compatible with MS-DOS, written in assemly
Custom firmware and IDE for the VEX Cortex Microcontroller
a very fast full system simulator
C++ library for POSIX systems.
Project has been move to https://github.com/ciaa/Firmware
Hard Real-Time OS compliant to the Osek/Vdx standard.
SuperWikia: The Runtime/Realtime Environment for Codesmiths
An operating system written in C & assembly.
3D-Game with large geodic Maps (Globes) - include multiple Game-Genres
Mayax is a 32-bit hobby OS with windows style GUI.