No features have been listed yet.
Godot Engine - Feature-packed 2D and 3D open source game engine.
Unreal Engine - Unreal Engine 4 is a suite of integrated tools for game developers to design and build games, simulations, and visualizations.
MonoGame - MonoGame is an open source implementation of the Microsoft XNA 4 Framework.
Frostbite - An integrated clinical practice, education and research institution specializing in treating patients. Account maintained by @MayoClinic/MCSMN.
ct.js - ct.js is a 2D game editor (desktop app) based on web technologies.
CryENGINE - The most powerful game development platform is now available to everyone. Full engine source code.