Injectable LUA scripting system, SDK generator, live property editor
A development environment focused on modding
Multi Theft Auto is a game engine
Fast, small, safe, gradually typed embeddable scripting language
Open source clone of the Age of Empires II engine
Cross-Platform C++ 2D/3D game engine
A free mixin-based injection hacked client for Minecraft
Open Source Fan-Based EverQuest Emulator Server project
Cross-platform, open source, and super fast MUD client with scripting
3D game engine/framework in C, with Luajit and Python bindings now
A lightweight game server framework implemented with Actor Model
An open source C++ game engine
Doom-based AI research platform for reinforcement learning
A Rust framework for building Minecraft servers
Open source reimplementation of GTA San Andreas game engine in Unity
For exploring cellular automata like Conway's Game of Life.
Opensource crossplatform Fallout 2 game engine writen in C++ and SDL
A greedy game engine for greedy programmers
Cerberus Content Management System
3D modeler, 3D game maker, 3D demo maker
Delphi : VRCalc++ OOSL & + (Paged List, TextEditor, VRAstroVision ...)
Delphi Java - VRCalc++ OOSL (Script) and + (Binary Exec Distro)
An isometric arcade-style game of skill, puzzles and exploration
A fantasy roguelike game with graphics tiles.
An Simple GameEngine.