PlexDomain A domain analysis toolkit Description:

PlexDomain offers a multi-threaded based
framework to search a popular expired,
registered, or on-hold domains. The user can
also search for available domains by providing
list of keywords, with a set of prefixes and suffixes.
It offers a scheduling facility to run background
jobs for domain searching and the results are
saved and emailed to the user. PlexDomain supports
dozens of popular search engines such as Yahoo,
Google, AOL, AltaVista, DMOZ, Alexa, etc. for
filtering. PlexDomain provides a world-wide
support for whois, rwhois, ip-whois and also parses
the output of whois-records. It allows users
to check popularity and ranking of domains.
For more information visit http://www.plexobject.com/software/plexdomain/index.html