Fast and lightweight JavaScript game engine built on WebGL and glTF
Godot is a powerful cross-platform game engine
A simple and easy-to-use library to enjoy videogames programming
Desktop/Android/HTML5/iOS Java game development framework
One framework for creating powerful cross-platform games
The game engine for everyone
Open source HTML5 game framework that offers WebGL and Canvas
Real Time Strategy game engine supporting early Westwood classics
You can make it - Open Source MMORPG Platform
Open Source MMORPG Framework
Gideros Release version
lua dev plugin for unreal engine 4 or 5
Self-hosted CMS platform based on the Laravel PHP Framework
CTFs as you need them
Enables Roblox developers to use professional software tools
ThinkPHP Framework
Game engine supporting many 3D/2D formats and graphic effects
Orx: Portable Game Engine
Arianne is an engine to develop multiplayer online games like Stendhal
INSTEAD - Simple Text Adventure Interpreter.
Molecular viewer and prototyping framework
German Extension for Inform 7
JavaScript framework to build game engines, games, emulators and apps
Old-school 2D game engine