MyThreads-LinksMyThreads-Links is a web based link 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 (French translation available). It has meta-categories such as Top Links, Updated Links and New Links, supports email notifications, and has a Web based installer.
_http://hotscripts.com/jump.php?listing_id=3795&jump_type=0
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CategorizatorCategorizator will allow you to manage a Yahoo style directory on your site. It can easily integrated with the design of your site. It includes an admin interface to manage categories as well as subcategories on several levels. The sites can be added either via the administration or by the visitors (the user-submitted links must be approved by the admin before appearing in the directory). Other features include: an internal search engine, a link click counter, voting system and links checker.
_http://hotscripts.com/jump.php?listing_id=12148&jump_type=0