One framework for creating powerful cross-platform games
A simple and easy-to-use library to enjoy videogames programming
Gideros Release version
Unity3D Client And C# Server Framework
lua dev plugin for unreal engine 4 or 5
Desktop/Android/HTML5/iOS Java game development framework
Open Source MMORPG Framework
A game framework written with osu! in mind.
Open source library for N64 development
Self-hosted CMS platform based on the Laravel PHP Framework
Open source library for creative expression on the web, desktop, etc.
Examples of procedural geometry for Unity3D C#
Orx: Data-Driven Game Engine
Amateur 3D Game Engine
High-efficiency minimalist C++ wrapper for OpenGL 4.3
An isometric arcade-style game of skill, puzzles and exploration
INSTEAD - Simple Text Adventure Interpreter.
Game engine supporting many 3D/2D formats and graphic effects
SDL based generic 2D game engine
PyCAPGE - Python Classic Adventure Point and Click Game Engine
Molecular viewer and prototyping framework
Utility for viewing ZX Spectrum emulator snapshot files.
Vivid3D is an open-source 3D engine with powerful 2D UI.