OBS Studio - Free and open source software for live streaming and screen recording

stb single-file public domain libraries for C/C++

A single-header ANSI C gui library

Small, fast and powerful console music player for Unix-like operating systems.

Decompilation of The Legend of Zelda: Ocarina of Time

Classic Tomb Raider open-source engine

Maintained continuation of Stefan Sundin's AltDrag

Original Xbox Emulator for Windows, macOS, and Linux (Active Development)

work in progress port of n64decomp/perfect_dark to modern platforms

Fork of https://github.com/sm64-port/sm64-port with additional features.

A VA-API implemention using NVIDIA's NVDEC

The core software distribution for the Inform 7 programming language.

A multimedia sketchpad

System Shock (PowerMac version / Official GPL Release)

An open-source port of Prince of Persia, based on the disassembly of the DOS version.

The complete archive for DOOM for the 3DO

Collection of commonly used Cg shaders. These shaders are usable by either HLSL and/or Cg runtime compilers. The cg2glsl script will translate most of these into GLSL shaders.

High-performance QuakeSpasm fork

Open source remake and Fan Expansion of Dungeon Keeper.

Decompilation of Castlevania: Symphony of the Night (PSX, PSP, Saturn)

Shockolate - A minimalist and cross platform System Shock source port.

A cross-platform reimplementation of JKDF2 in C

The open source, cross platform level editor for idtech games

DEPRECATED in favor of https://github.com/FWGS/xash3d-fwgs. Only bugfixes are accepted.

fsv is a file system visualizer in cyberspace. It lays out files and directories in three dimensions, geometrically representing the file system hierarchy to allow visual overview and analysis.

A lightweight game development environment where games can be written in Wren

Example code and libraries for the book "Essential Mathematics for Games and Interactive Applications."

Mario Builder 64 is a Super Mario 64 ROM hack that allows you to create custom levels in-game.

Experimental emulator for the original Xbox

An Open-Source port of the 1999 Game "Star Wars Episode 1: Racer"