Kivy
Kivy is an open cross-platform GUI framework with OpenGL ES rendering, input, layouts, animation, and mobile packaging.
Why use it
It suits prototypes, tools, educational games, and touch experiences that reuse Python libraries.
Where it fits
Find engines, frameworks, code libraries, version control, and production automation.
What to check
Complex 3D, consoles, and high-frame-rate large games are not its strengths, and mobile packaging needs maintenance.