NOTE: PythonQt has been moved to https://github.com/MeVisLab/pythonqt
PythonQt is a dynamic and lightweight script binding of the Qt framework to the Python language. It can be easily embedded into Qt applications and makes any QObject derived object scriptable via Python without the need of wrapper code generation.
A server-side language that supports simple and efficient Python-based dynamic HTML generation, aka Python Server Pages. Those familiar with JSP, PHP, or ASP and like Python, should have a look at Spyce.
SilenceVST is an extensible, open-source language for programming music and sound on Windows. SilenceVST consists of a set of Python extensions and a custom Python shell that runs either standalone, or as a VST plugin.