Fast and lightweight JavaScript game engine built on WebGL and glTF
The flexible game engine
A free & open-source 2D sprite editor, made with the Godot Engine
Blockbench - A low poly 3D model editor
Magic Another Game Engine
Fast, small, safe, gradually typed embeddable scripting language
Open game and rendering engine packed into a JavaScript framework
The source code to VVVVVV
3D and 2D game engine written in Rust
An elegant Go board and SGF editor for a more civilized age
Injectable LUA scripting system, SDK generator, live property editor
Flexible level editor
The Tiny JavaScript Game Engine That Can!
Ct.js is a desktop game engine that makes learning programming fun
Open 3D Engine (O3DE) is an Apache 2.0-licensed multi-platform 3D
Cross-platform, open source, and super fast MUD client with scripting
Entity Component System (ECS) framework made for C# and Unity
A cross-platform, open-source, pure C game engine for mobile game
Modern, lightweight and efficient 2D level editor
An open source C++ game engine
Open-source full-stack web development framework built on top of React
Everything you need to build and deploy scalable realtime 3D apps
KorGE Game Engine. Multiplatform Kotlin Game Engine & Korlibs
The first editor for Spigot configurations
Framework to facilitate communication in the Unity game engine