Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
3D engine with modern graphics
Cross-Platform C++ 2D/3D game engine
Scripting platform, modding framework and VR support for RE Engine
Voxel game-creation platform with easy modding and game creation
Write your game with TypeScript in UE or Unity
Free game engine for development of desktop, mobile, and web games
3D Game engine with editor
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
lua dev plugin for unreal engine 4 or 5
inputbox password WIN OSX GTK QT Console VCPKG C# Lua R Fortran Pascal
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