Microsoft BASIC for 6502 Microprocessor
nsync is a C library that exports various synchronization primitives
Command and Conquer: Red Alert original source code
a self-contained development environment for embedded systems.
Collection of fast and optimized assembly libraries for x86-64 Linux
A Spectranet networking FID driver for CP/M Plus
Run STM32 with simple examples
Ms Dos port with slopes 3d floors true3d demo compatibility fast speed
M6811 Code-Seeking Disassembler
It creates hundreds of pictures which are based on the Mandelbrot
OS bootable from Linux,Windows and others partitions as auxiliary OS
Pattern-based multi/many-core parallel programming framework
HX DOS extender
It animates some Lissajous figures. It is Boot-able.
Run Linux on Windows or other OSes, natively.
A C Compiler/Editor for Retro 6809 Machines (Colour Computer/Dragon)
Mayax is a 32-bit hobby OS with windows style GUI.
an os for x86 computers based on mikeos
PrimOS is a 32bit multi-task OS, which is still under development.