RetroArch is a frontend for emulators, game engines and media players.
A cross-platform PSP emulator
Mangos ZERO is a server for World of Warcraft
The Playstation 2 emulator
The game engine for everyone
Compatibility tool for Steam Play based on Wine and other components
Set of Python modules designed for writing video games
Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
The ioquake3 community effort to continue supporting/developing id's
16 bit real mod minecraft clone running in bios
New Godot bindings for Swift
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
Mod manager for the video game RimWorld
Open source library for creative expression on the web, desktop, etc.
C# application with primary purpose of farming Steam cards
ThinkPHP Framework
Homebrew development library for Nintendo 3DS/Horizon OS user mode
dhewm 3 main repository
A free transportation simulator game
Stride (formerly Xenko), a free and open-source cross-platform C# game
Domination is a game that is a bit like the board game Risk
Inspecting and manipulating NBT as a file system
A planetarium software that shows a 3D simulation of the night sky
3D Engine c++