Make Minecraft Java Edition mods, Minecraft Bedrock Edition Add-Ons
Ct.js is a desktop game engine that makes learning programming fun
Cross-platform 2D game engine focused on ultimate productivity
Stride (formerly Xenko), a free and open-source cross-platform C# game
Java application for creating Morphing videos
Cross-platform, open source, and super fast MUD client with scripting
Cross-platform 2D and 3D game engine with modular architecture
Open 3D Engine (O3DE) is an Apache 2.0-licensed multi-platform 3D
Games for tomorrow's programmers
All-in-one game engine built on Godot. Roblox & UEFN alternative
Delphi Java - VRCalc++ OOSL (Script) and + (Binary Exec Distro)
javascript chess games viewer for websites, blogs and live broadcasts
LDraw™ editor for LEGO® style digital building instructions.
Path creation asset for Unity game development
MIT Licensed Open Source version of Torque3D from GarageGames
Modern 3D engine and IDE written using C# and C++.
2D Game Engine with Lua Scripting made on top of SFML
Web powered cross-platform 3D, WebXR game engine
Random generators for tabletop RPG games (D&D, Pathfinder, D20, etc)
Edition of football teams on HTML canvas- javascript source
API for all possible cellular automata that work same at all angles
Godot is a fully featured, open source, MIT licensed, game engine.
Visual Novel engine, editor and game development.