Godot is a powerful cross-platform game engine
A simple and easy-to-use library to enjoy videogames programming
Desktop/Android/HTML5/iOS Java game development framework
One framework for creating powerful cross-platform games
Open source HTML5 game framework that offers WebGL and Canvas
Open source library for creative expression on the web, desktop, etc.
JavaScript framework to build game engines, games, emulators and apps
Orx: Portable Game Engine
INSTEAD - Simple Text Adventure Interpreter.
A Complete WebGPU Game Engine for Browser & Desktop Arcade Oriented
Examples of procedural geometry for Unity3D C#
Cinema Enters Game Console
Sdk library for creating 2048 game in c#.
2D Game Engine
A cross platform Lua based game engine
Cross-platform 2D and 3D game engine
Build Cross-platform Applications
Asphyre is a cross-platform framework for Delphi and FreePascal.
3D .NET engine for Windows, Linux, Mac
Open-source, cross-platform, C++ game engine for creating 2D/3D games
Cross platform 2D/3D game engine written in C++11 & OpenGL ES 2/3
Cross platform Game Creation Software
C-Lesh is a game programming language for 2D games.