Godot Engine - Feature-packed 2D and 3D open source game engine.
Stride Game Engine - Stride is an open-source 3D Game Engine written in C# and released under the MIT License that allows you to build powerful game worlds for free or to generate income.
Lobster - Lobster is a game programming language.
Cocos Creator - Cocos Creator is more than a efficient, lightweight, free, open-source, cross-platform graphics engine: it's also a platform to create 3D content in real time.
FPS Creator Classic - We specialise in game creation tools for a range of devices such as Windows, iOS, Android. With game making tools like GameGuru, AppGameKit, FPS Creator and Dark Basic Professional you can make all types of games.
G3D Innovation Engine - The G3D Innovation Engine is a commercial-grade C++ 3D engine available as Open Source (BSD...