Fping 

Fping is a simple ping program, intended to be used instead of the standard ping program that comes with windows. It was first made to ping faster than once every second. Options have been added since then and fping is now a very handy tool.
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Ace FREE Domain Name Tool - Mozzle Std 

Find the ultimate domain name using simple or advanced search features such as independent word groups with positioning and optional/mandatory settings, direct registration of available domain names, sorting, printing and exporting results, and more!
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MultiDom 

A very fast, highly configurable domain search engine that supports multiple name queries. 200+ domain types are supported, as is the ability to add new types as the appear via a comprehensive back-end control panel. Too many features to list here!
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DomainRipper 

DomainRipper is a powerful Whois server lookup utility for Windows 95/98/NT/2000 that helps you keep track of domain names. It can also check the central Whois database periodically and notify you via email as soon as a domain becomes available.
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WhoIsNot Lite 

Browser-like domain search utility supporting multiple servers, rules, logs, data reference, regular expressions, whois, finger, web, FTP, save, print and other features.
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