Psyco
Psyco is an implementation of Python.
Other implementations of Python.
From Wikipedia:
Psyco is a specializing just-in-time compiler for Python.
Psyco is written in C and generates only x86-based code.
On March 12, 2012, Psyco was announced to be "unmaintained and dead".
A follow-up project to Psyco is PyPy.
Website: SF.net