Kivy is an open source software library for rapid development of applications equipped with novel user interfaces, such as multi-touch apps.
- Cross Platform:
Runs on Linux, Windows, MacOSX, Android and IOS.
It can use natively most inputs protocols and devices like WM_Touch, WM_Pen, Mac OS X Trackpad and Magic Mouse, Mtdev, Linux Kernel HID, TUIO. A multi-touch mouse simulator is included.
- Business Friendly:
It is 100% free to use, under LGPL 3 licence.
The framework is stable and has a documented API, plus a programming guide to help for in the first step
- Gpu Accelerated:
The graphics engine is built over OpenGL ES 2.
The toolkit is coming with more than 20 widgets designed to be extensible. Many parts are written in C using Cython, tested with regression tests.
- Homepage: Kivy.org
Images and info from kivy official site