Twitdom is an attempt to provide a consolidated view of all the applications developed for the Twitter ecosystem. It has been developed by Anuj Seth. Follow me on Twitter. This is to ensure that you can make the most effective use of the Twitter micro-blogging system. You can search for applications and submit new ones to the database as well.
The Open Directory Project is the largest, most comprehensive human-edited directory of the Web. It is constructed and maintained by a vast, global community of volunteer editors.