Free operating system for Atari computers, and more.
PICSimLab is a realtime emulator for PIC, Arduino, STM32, ESP32, ...
The GNU Prolog native compiler
Command and Conquer: Red Alert original source code
An open-source Phantasy Star Online server for *nix
an ethernet-based file system for DOS
A tutorial on cross compiling for the 6502 CPU
Linux Studio Plugins Project
TUI file manager (NC clone) with built-in Zip for DOS and Windows
Software development for 4Mb portable, using Z80 CPU and AA batteries
Universal server
Transfer disks and disk images between the Apple II and the real world
A bleeding-edge, security-centric Arch-based Linux distribution.