A simple and easy-to-use library to enjoy videogames programming
Desktop/Android/HTML5/iOS Java game development framework
Gideros Release version
One framework for creating powerful cross-platform games
Enables Roblox developers to use professional software tools
Open game and rendering engine packed into a JavaScript framework
Self-hosted CMS platform based on the Laravel PHP Framework
lua dev plugin for unreal engine 4 or 5
A game framework written with osu! in mind.
Open source library for creative expression on the web, desktop, etc.
CTFs as you need them
Open source library for N64 development
Arianne is an engine to develop multiplayer online games like Stendhal
A simple cross-platform game engine for creating old-school 2D games
Orx: Data-Driven Game Engine
OgreWin3D
TX Library is a tiny graphics library for Win32 written in C++.
Vivid3D is a C++ IDE/3D engine, with python scripting.
JavaScript framework to build game engines, games, emulators and apps
Game engine supporting many 3D/2D formats and graphic effects
PyCAPGE - Python Classic Adventure Point and Click Game Engine
ReShade is a generic post-processing injector for games and videos.
A free 3D game engine to create games and realtimes scenes for Windows
Molecular viewer and prototyping framework
Vivid3D is an open-source 3D engine with powerful 2D UI.