Godot is a powerful cross-platform game engine
Desktop/Android/HTML5/iOS Java game development framework
One framework for creating powerful cross-platform games
Open source HTML5 game framework that offers WebGL and Canvas
A simple and easy-to-use library to enjoy videogames programming
Gideros Release version
Open source library for creative expression on the web, desktop, etc.
lua dev plugin for unreal engine 4 or 5
Open game and rendering engine packed into a JavaScript framework
A game framework written with osu! in mind.
Self-hosted CMS platform based on the Laravel PHP Framework
Game engine supporting many 3D/2D formats and graphic effects
Orx: Portable Game Engine
A Complete WebGPU Game Engine for Browser & Desktop Arcade Oriented
Examples of procedural geometry for Unity3D C#
INSTEAD - Simple Text Adventure Interpreter.
A simple cross-platform game engine for creating old-school 2D games
Amateur 3D Game Engine
OgreWin3D
PyCAPGE - Python Classic Adventure Point and Click Game Engine
Molecular viewer and prototyping framework
Vivid3D is an open-source 3D engine with powerful 2D UI.
Updated emulator of Forgotten Realms: Unlimited Adventures
Java Settlers