FLTK is a lightweight, cross-platform, small, and fast GUI toolkit written in C++ which integrates well with OpenGL. It's licensed under the LGPL with an exception to allow static linking.
The Python bindings for FLTK are called pyFLTK.
Please note: This wiki is currently running in test mode after an attack on January 5 2013. All passwords were reset, so you will have to use the password recovery function to get a new password. To edit wiki pages, please log in first. See the wiki attack description page for more details. If you find problems, please report them to the pydotorg-www mailing list.