Check many domain whois-information in one time.
Domain Multi Whois Checker is a free to try software. You can free download and try it for an evaluation period.
DomainInspect
Advanced domain WHOIS lookup tool, combined with powerful domain name generator
Whois Inspector
Whois Inspector is a monitor for domain WHOIS information.
NetStat Agent 2.0
NetStat Agent is a powerful and easy-to-use network toolkit for monitoring and diagnosing. It includes all useful network tools like netstat, ping, traceroute, ipconfig, whois, arp, route and http checker, but in a graphical interface.
Arkalys WebSite Whois
Find available domain name and keep information on your computer
SoftCab Whois
See whois information, and monitor your own domains.
Fast Link Checker 1.6.0.583
An advanced tool to find broken links on web sites. You specify the starting file and Fast Link Checker goes through all pages this file has links to until it checks all links on the site.
FreeNetEnumerator 1.3
FreeNetEnumerator is a tool to enumerate computers in a domain. Depending on enumeration parameters the tool can work in different ways. It can enumerate all computers, SQL servers, primary domain controllers, backup domain controllers, etc.