The Ren'Py Visual Novel Engine
Godot Minimal Theme
High performance UI layout library in C
Cocos simplifies game creation and distribution with Cocos Creator
Cross-platform game engine in Rust
A .NET ascii/ansi console engine written in C# for MonoGame and XNA
A game framework written with osu! in mind.
3D and 2D game engine written in Rust
A modern, cross-platform Quake game engine based on FitzQuake.
C++ lightweight cross-platform game engine
API (C#) for simulating certain aspects of a ZX spectrum for porting.
Game engine supporting many 3D/2D formats and graphic effects
PyCAPGE - Python Classic Adventure Point and Click Game Engine
Pycraft is an open-source, OpenGL based game made in Python
A free 3D game engine to create games and realtimes scenes for Windows
Haskell game engine library for roguelike dungeon crawlers
Vivid3D is an open-source 3D engine with powerful 2D UI.
State Management and Multiplayer Networking for Turn-Based Games
Mini game engine for games104
Spring is a free RTS engine developed for Windows, Linux and Mac OS X.
DOOM / Heretic / Hexen source port with enhanced graphics and UI
QQ Group:538722494,KSFramework = KEngine + SLua(or xLua)