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