Godot is a powerful cross-platform game engine
Open source HTML5 game framework that offers WebGL and Canvas
Fast and lightweight JavaScript game engine built on WebGL and glTF
A game framework written with osu! in mind.
Self-hosted CMS platform based on the Laravel PHP Framework
lua dev plugin for unreal engine 4 or 5
Open source library for creative expression on the web, desktop, etc.
ThinkPHP Framework
You can make it - Open Source MMORPG Platform
Gideros Release version
INSTEAD - Simple Text Adventure Interpreter.
OgreWin3D
Vivid3D is a C++ IDE/3D engine, with python scripting.
A free 3D game engine to create games and realtimes scenes for Windows
Vivid3D is an open-source 3D engine with powerful 2D UI.
Small lightweight program to customize your keyboard
A real-time game development platform
A 2D game engine and level editor
Cross-platform 2D and 3D game engine
Reactive extensions for Unity
OpenGL tutorials written in Rust
Build Cross-platform Applications
Vivid Engine 2 is an open source 3D Engine coded using C# and C++.