PowerSeek SQL
Create, manage and run your own Search Engine & Directory Portal with total control and ease. User friendly in every aspect and built for the most demanding uses and customization needs. Comes with an extensive Admin Panel, Spam Filter, Premium Links, Link Reviews/Ratings, content sensitive Banner Rotator, HTML generation, Keyword Statistics, Link checker, Custom Data Fields, Crawler and dozens of other comprehensive features.

version: 3.3.1   os: Unix/Linux or Windows based web host   price: 9   requirements: Perl (cgi-bin directory), MySQL
http://www.focalmedia.net/pseek.html   [details]

TurboSeek
Create and run your own directory & search engine with ease. Comes with a visually friendly admin control panel that provides you with all aspects to create, customize and run a full functional search engine. Supports unlimited sub categories, includes a crawler, link checker, site rankings, site reviews, customize all text/layouts, gives relevance to search keywords and more. Easy installation with setup interface.

version: 2.0.1   os: Unix/Linux based host   price: 9
http://www.focalmedia.net/index_tb.html   [details]