Advance Domain is a UNIVERSAL WHOIS that supports .info, .com, .net, .org, .cc, .to, .us, .uk,.in and lots more. Add a domain to its watch list and it will instantly email you if ever that domain becomes available in the future.

NethernetWhois allows you complete power over all settings, has online admin, and only one line of code to edit. It is the easiest way to allow your customers to register domains via the Internet. It features: Unlimited Domain Registrations, Automated mailing of all parties involved, Users can either Register or Modify a domain, Registration information for registered domains is displayed, Support for SSL Ordering for enhanced security, Built in Optional Credit Card Processing, and basic Syntax, and more.

This is a simple finger script. It can be modified to perform basically any unix command, and print the output to a web page.

NameCheck allows you to automatically grab domains as they come off hold status immediately. Uses all known TLDs.

PerlNet can be used by those who wish to compile software, do cron jobs, use the shell, or java or anything else that you can normally do through telnet or ssh. If you have a website and the server admin has not given you telnet access, you can use this instead and do most of what you can do with regular telnet. You can use GCC, htpasswd, tar, java, perl, grep, find, crontab and alot of other utilities. There is a built in crontab editor, and file editor also.

A Perl whois script that works with over 200 different Domain Name extensions. It is based around HTML templates so you can design all of the pages your customer sees. This script can easily be integrated with an existing shopping cart.

CdomainPro features domain lookups in over 160 extensions (i.e., .co.uk, .com.au) across 50+ nTLDs (i.e., .uk, .de, .ca, .au)in addition to .com, .net and .org domains. You can also add more nTLDs to CdomainPro by simply editing a text file. CdomainPro features two forms of lookups, either second level domain with TLD checked, or FQDN. In addition, CdomainPro includes all the CdomainPlus features and benefits.

MultiDom Basic is an extremely fast, highly configurable parallel domain search engine, capable of searching for multiple names simultaneously. Supports 200+ basic domains. Customise appearance and functionality with ease - also includes a comprehensive online admin area where new TLDs can be added. MultiDom is cross platform compatible, and very easy to install. Free trial available.

DueToExpire Pro is a powerful shell script that searches Yahoo and Dmoz for domain names that are due to expire. You tell the script the dates to search for and it does the rest. Results are printed in "comma delimited" format so you can easily import the information into a spreadsheet program like Microsoft Excel. Sort by domain name, expiration date, etc. It is an incredible script that will save you hours, even days of work. Domain name expiration predicting has never been easier.

CdomainLite is the same program as CdomainFree with the exception that it allows you to remove the links and copyright information from the HTML source.