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.
Vivid3D is an open-source 3D engine with powerful 2D UI.
A real-time game development platform
Cross-platform 2D and 3D game engine
OpenGL tutorials written in Rust
Build Cross-platform Applications
Vivid Engine 2 is an open source 3D Engine coded using C# and C++.
C/C++ , PHP, PYTHON, 3D ENGINES, CHROME NATIVE CLIENT
2D ARPG Engine
3D .NET engine for Windows, Linux, Mac
Create symmetric sprites: browse, save to PC, or store online
Mahasona engine is an open source game engine.
Cross-platform C framework very compact libraries and tools.
A 2D Adventure Game & Engine
Library for creating turn-based games with simultaneous moves.