This is a cross-platform, pluggable tool for comparing the configuration of a machine with a known configuration stored in text files in a source control system.
It currently supports comparison of the following types of configuration data:
http://packages.python.org/checker/
http://groups.google.com/group/simplistix
https://github.com/Simplistix/checker/issues
https://github.com/Simplistix/checker
http://packages.python.org/checker/changes.html
This software is available from the python package index