A new Minecraft world editor and converter
Pokémon Save File Editor
Open game and rendering engine packed into a JavaScript framework
Injectable LUA scripting system, SDK generator, live property editor
Magic Another Game Engine
Fast and lightweight JavaScript game engine built on WebGL and glTF
The source code to VVVVVV
Flexible level editor
The flexible game engine
The Tiny JavaScript Game Engine That Can!
Open 3D Engine (O3DE) is an Apache 2.0-licensed multi-platform 3D
Ct.js is a desktop game engine that makes learning programming fun
A sharp, readable, vector-y version of Monocraft
KorGE Game Engine. Multiplatform Kotlin Game Engine & Korlibs
Cross-platform, open source, and super fast MUD client with scripting
A fresh & lightweight javascript game engine
A cross-platform, open-source, pure C game engine for mobile game
An elegant Go board and SGF editor for a more civilized age
Java application for creating Morphing videos
This is a Units Editor for Empire At War which will make things easy.
Play mechanical keyboard sounds, typewriter sound as you type
Open and edit the archive files used in over 4200 games.
Colonize the New World.
Edit diagram.sty LaTeX diagrams