Its the Open Directory Project(ODP) site, also known as DMOZ, its the database that many search engines actually draw from.
Google, Lycos etc.
Its run by Netscape.

a suggested category:
(url="http://"http://dmoz.org/Games/Video_Games/Computer_Platforms/Macintosh/Companies/")http://dmoz.org/Game...tosh/Companies/(/url)

(url="http://"http://dmoz.org/cgi-bin/add.cgi?where=Games/Video_Games/Computer_Platforms/Macintosh/Companies")begin the submission process to this category.(/url)

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... That staples it.