Link Up  

Link Up is a PHP script for running your own Yahoo style search engine. It has support for an unlimited number of categories, unlimited number of links, it contains rating system and integrated poll, pages are editable by using templates, and more. Pages are generated online, all data and links are always fresh, no need to store pages on your disc - you save a disc space.

Hosting Requirements: Linux, Unix; Apache; PHP 4
Database: MySQL
Price: Free

   ZINK - the link engine  

A free Yahoo-like link directory. Features: unlimited depth of subcategories; unlimited number of categories / links; case incensitive search of the links database; multilanguage support; visitors can add links & categories; customisable header & footer; easy admin interface.

Hosting Requirements: PHP 3
Database: MySQL
Price: Free

   FREEassociation  

This project is a rebuild of the Link Conservatory from the ground up. The new twist is that instead of just links, lots of different kinds of content can be added. This is useful for building sites like Slashdot, or any other magazine-type site. Features: Content exists at nodes which are connected together in a tree with pathways; Types of content are: URLs, threaded discussions, linear discussions, polls, stories, downloadable files; User authorization and permission scheme; Public and private areas; The descriptions of the nodes will be searchable; Mailing list can be notified when new content is added.

Price: Free

   phpLinks  

phpLinks is a Free and Open Source PHP script. phpLinks allows you to run a very powerful link farm or search engine simulation. Features: full search capabilities, recursive multilevel site categorization, full referrer tracking, site reviews, site ratings, link validation, related categories, category searching, search term tracking.

Hosting Requirements: PHP
Database: MySQL
Price: Free

   MyThreads  

MyThreads-Links is a web based links manager that looks similar to Yahoo but was written in PHP and uses MySQL. MyThreads-Links uses PHPLib Templates so that its very simple for anyone to change the look and feel of the program without having to edit the code. Features: Any user can suggest, edit or delete links and categories (and sub-categories), links and categories modifications are then validated by the webmaster, search engine, meta categories (new links, updated links, most requested links), optional email notification, easy customization, since all HTML is in templates (english and french available), easy installation with the web based installer.

Hosting Requirements: PHP
Database: MySQL
Price: Free

   ssLinks  

ssLinks is an open source PHP and mySQL powered links database which allows users to run a database driven categorised links section on a web site - similar in structure to Yahoo or any other categorised links collection. Features: Fully database driven utilising mySQL; Full template system; Easily customisable; Very easy to admin via the web; Visitors to your site can recommend new links, which you can then validate; Allows visitors to rate your links from 1-10, and displays average rating; Rating a link more than once is discouraged using cookies; Number of hits each link has received is recorded and displayed; Very easy to set up and use, thanks to an installation script and config file; Built in Search Feature; Most popular, top rated and newest links pages.

Hosting Requirements: PHP
Database: MySQL
Price: Free

   LogiB2B  

LogiB2B is a either a vertical or horizontal industry directory catered to suppliers, manufacturers, exporters & importers OR it can operate in certain niche industry like fashion/ furniture/ computer etc. LogiB2B features consist of members registrations, detail listings, premium listings, banners management in, separate product categories, featured product listing, latest submission of sites, special mentioned columns, searches functions, optional to receive both free and paid members, attached CMS (Content Management System) in the script to assist paid members to build their own HTML page easily and much much more.

Hosting Requirements: Unix/LInux
Database: MySQL
Price: $199

   PHPBusca  

PHPBusca is an open source PHP and mySQL powered links database which allows users to run a database driven categorised links section on a web site - similar in structure to Yahoo or any other categorised links collection. Features: Very easy to admin via the web - log in and add / edit categories and links. Visitors to your site can recommend new links, which you can then validate. Number of hits each link has received is recorded and displayed. Most popular, top rated and newest links pages.

Hosting Requirements: MySQL
Database: Windows, Unix/ Linux; PHP 4
Price: Free

   BosDirectory  

The BosDirectory system is the perfect way to organization to present your visitors with links which are relavent to your website. Allow your visitors to add links to the directory with either automatic or manual approval of their suggestion. Visitors may also rate the links as well as write reviews for others to read. Create endless numbers of directories and sub-directories so that you may organize the directory however YOU wish it to be laid out.

Hosting Requirements: PHP 4.10+
Database: MySQl 3.23+
Price: $49

   Free PHP Directory Script  

Features: Multi-level category system, with unlimited number of categories - Integrated search engine - Powerful control panel - Semi-automated directory: users suggest urls and you accept/reject them - IP banning - Fast loading: the pages are developed in plain CSS. No tables nor heavy code - Search engine friendly: include title, keywords and description for each category. Short querystrings (most search engines will index the directory) - Easily customizable: accomplish general look changes modifying just some values or change completely the directory appearence modifying CSS style sheets.

Hosting Requirements: PHP 4
Database: MySQL 3
Price: Free