Reggie Pro 

Find out about free and expiring domain names easily Google search engine ranking helps you find popular expired domain names Includes 10 dictionaries (almost a million words with support for extended characters) Multithreaded=many times faster
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Expired Domain Sniffer 

Find expired domain names by browsing the internet, searching yahoo/google, and much more. Many programs in one!
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DomainInspect 

Advanced domain name checker designed to do WHOIS lookups and link popularity checks of more than 100 TLDs. Domain names can be inputted manually, imported from file, or generated automatically by using keywords.
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Expired Domain Sleuth 

Powerful software to find Expired Domains with expired traffic. Search for onhold, expiring, pending delete, and recently expired domain names through search engine lookups, custom text and url lists, and domains lists.
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AddInternet Domain Search 

AddInternet Domain Search is a free software that allows you to search for domain names available for registration as well as find out who is a domain owner by searching the global Whois database.
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URLCollector 

The URL Collector scans search engines for domain names and saves them. You can use these URL's, to generate email addresses with the EmailGenerator.
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