Regshot

Regshot is an open-source (GPL) registry compare utility that allows you to quickly take a snapshot of your registry and then compare it with a second one - done after doing system changes or installing a new software product.
Homepage:	http://sourceforge.net/projects/regshot/
Function:	Forensic

Description

Regshot is an open-source (GPL) registry compare utility that allows you to quickly take a snapshot of your registry and then compare it with a second one - done after doing system changes or installing a new software product.