The GNU Prolog native compiler
A free/open source client and automation tool for Ragnarok Online
Building and running ancient Linux on Windows
A bare metal raycaster, boots from a floppy image
An operating system based on the best Windows NT design principles
Javier Gutiérrez Chamorro (Guti) Open source projects
The Open On-Chip Debugger
Free operating system for Atari computers, and more.
PICSimLab is a realtime emulator for PIC, Arduino, STM32, ESP32, ...
An USB programmer for PIC, dsPIC, AVR, serial memories
Command and Conquer: Red Alert original source code
A wine and qemu GUI runner to help you install and use easily.
TUI file manager (NC clone) with built-in Zip for DOS and Windows
An open-source Phantasy Star Online server for *nix