A development environment focused on modding
Desktop/Android/HTML5/iOS Java game development framework
A simple and easy-to-use library to enjoy videogames programming
Godot is a powerful cross-platform game engine
One framework for creating powerful cross-platform games
Open game and rendering engine packed into a JavaScript framework
Fast and lightweight JavaScript game engine built on WebGL and glTF
Open Source MMORPG Framework
Open source HTML5 game framework that offers WebGL and Canvas
The game engine for everyone
Real Time Strategy game engine supporting early Westwood classics
Gideros Release version
Enables Roblox developers to use professional software tools
ThinkPHP Framework
CTFs as you need them
lua dev plugin for unreal engine 4 or 5
The open-source Roblox & UEFN alternative
Self-hosted CMS platform based on the Laravel PHP Framework
Arianne is an engine to develop multiplayer online games like Stendhal
TX Library is a tiny graphics library for Win32 written in C++.
INSTEAD - Simple Text Adventure Interpreter.
Game/Scene Development System
Game engine supporting many 3D/2D formats and graphic effects
Updated emulator of Forgotten Realms: Unlimited Adventures
A free 3D game engine to create games and realtimes scenes for Windows