Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
3D engine with modern graphics
Scripting platform, modding framework and VR support for RE Engine
Voxel game-creation platform with easy modding and game creation
Free game engine for development of desktop, mobile, and web games
Cross-Platform C++ 2D/3D game engine
3D Game engine with editor
Write your game with TypeScript in UE or Unity
Open Source Fan-Based EverQuest Emulator Server project
3D game engine with lua scripting
RTSish Game Engine
Doom-based AI research platform for reinforcement learning
An isometric arcade-style game of skill, puzzles and exploration
inputbox password WIN OSX GTK QT Console VCPKG C# Lua R Fortran Pascal
lua dev plugin for unreal engine 4 or 5
The regex-centric, fast lexical analyzer generator for C++
Injectable LUA scripting system, SDK generator, live property editor
A free 3D game engine to create games and realtimes scenes for Windows
SCADA HMI for substations, IoT and automation applications
Spring is a free RTS engine developed for Windows, Linux and Mac OS X.
3D C++ Game Engine - yet another open source game engine
2D Game Engine