Eureka is a DOOM map editor
Pokémon Save File Editor
Magic Another Game Engine
Injectable LUA scripting system, SDK generator, live property editor
Open game and rendering engine packed into a JavaScript framework
Fast and lightweight JavaScript game engine built on WebGL and glTF
The source code to VVVVVV
Ct.js is a desktop game engine that makes learning programming fun
The flexible game engine
KorGE Game Engine. Multiplatform Kotlin Game Engine & Korlibs
A cross-platform, open-source, pure C game engine for mobile game
Open 3D Engine (O3DE) is an Apache 2.0-licensed multi-platform 3D
Flexible level editor
A fresh & lightweight javascript game engine
The Tiny JavaScript Game Engine That Can!
Cross-platform, open source, and super fast MUD client with scripting
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
Every creative journey starts with Unity Hub
Colonize the New World.
Domination is a game that is a bit like the board game Risk