UrhoSharp

Code to integrate with the Urho3D engine. Contribute to xamarin/urho development by creating an account on GitHub.

AppGameKit Studio

Simple cross platform development, code once and deploy to all platforms.

GameMaker

“With GameMaker, I went from no programming knowledge to full-time developer in 2 years!” Seth Coster - Butterscotch Shenanigans - Crashlands. “GMS 2 is absolutely amazing and I cannot get over how great this software is to use”.

MonoGame

MonoGame is an open source implementation of the Microsoft XNA 4 Framework.

Open RPG Maker

Open RPG Maker is a free and open source clone of features from the RPG Maker series (i.e.

Unity3D

Unity is the ultimate game development platform. Use Unity to build high-quality 3D and 2D games, deploy them across mobile, desktop, VR/AR, consoles or the Web, and connect with loyal and enthusiastic players and customers.

WorldForge

The WorldForge project is the original open-source MMORPG project, dating back to 1997.