Godot provides a huge set of common tools, so you can just focus on making your game without reinventing the wheel.
Godot is completely free and open source under the very permissive MIT license. No strings attached, no royalties, nothing. Your game is yours, down to the last line of engine code.
Godots full source code is provided to you under the very permissive terms of the MIT License. No royalties or payments are required. Free as in
See the upcoming releases and features. Godot Engine is developed in the open by a community of developers. Come and lend us a hand to make it better!
You dont need to be an engine developer to help Godot. Consider donating to speed up development and make Godot Engine even more awesome!
Versions Godot for Mac
2.1.4 : Jan 27.2018
Screenshots Godot for Mac