The single instruction C compiler

Architectural privilege escalation on x86

The Zeal Operating System is a modernized fork of the 64-bit Temple Operating System, TempleOS.

CS2 one byte wallhack for Linux written in x86-64 assembly

A fast reverse proxy to help you expose a local server behind a NAT or firewall to the internet.

A native, user-mode, multi-process, graphical debugger.

Markdown source for Michael Abrash's Graphics Programming Black Book

Frame profiler

Steering Wheel Manager for GNU/Linux

Quake map source with free texture replacements

The 2013 edition of the Source SDK

Half-Life 1 engine based games

High performance UI layout library in C.

Quake GPL Source Release

Modified source engine (2017) developed by valve and leaked in 2020. Not for commercial purporses