SearchToSale
- A script that puts a search box on site, and allows redirect to specific URLs based on matches to the search term. [Commercial]
- http://searchtosale.com/

Friendly Links
- An user-friendly links exchange management and directory publication system in Perl that provides a complete links directory management mechanism for a website. By Friendly Infosys Corporation. [Commercial]
- http://www.friendlyinfosys.com/friendly_links.html

HTML Site Index Generator
- An multi-page HTML site index generator that easily handles virtual domains.
- http://marginalhacks.com/Hacks/site_index/

RiSearch
- Simple, powerful and fast search engine. [For non-commercial]
- http://risearch.org/

PowerSeek SQL
- Search engine and directory portal application with customization features. Demo, support forum and installation instructions.
- http://www.focalmedia.net/pseek.html

YellowMaker
- A self-administered business directory designed to set up a professional yellow pages on the web.
- http://www.yellowmaker.com/cgi-bin/yellowmaker/scripts/index.pl

Directory Pro
- CGI scripts written which allows creation of own Yahoo or Dmoz style directory.
- http://www.cosmicflame.com/scripts/dirpro.shtml

Advanced Search Ranking System
- CGI scripts which allows creation of Altavista or Excite style search engine. [Commercial]
- http://www.cosmicflame.com/scripts/asrs.shtml

NetTracker
- Commercial Perl scripts with a focus on traffic and links.
- http://www.ctta.net/nettracker/

Cougasoft
- Free CGI scripts - emphasis on link-management. [Collection]
- http://www.cougasoft.org/

MonoPro Link System
- Create portal-style link directory with multiple categories and subcategories. [Commercial, online demo]
- http://www.monopro.com/index.html?linksystem

Turbo Seek
- Yahoo style directory and search engine with ease. [Adv shareware]
- http://www.focalmedia.net/index_tb.html

WebLinks Web Directory Generator
- This software can build Yahoo style Web directory. WebLinks is an add-on feature of the BizDB Web database software.
- http://www.cnctek.com/weblinks/about_weblinks.html

ProLinkz
- A CGI script that will let you easily track, redirect/disguise and manage all your site's internal and promotional links. [Commercial]
- http://www.prolinkz.com/