554 twitter tools and counting...

Twuet.com

http://www.twuet.com

Twitter search engine that allows you to put a Twitter search box on your site

Submitted by @ | Edited by @tweye

Twizon

http://twizon.com/

An app that lets you combine Twitter with Amazon by posting all the Tweets that mention Amazon to show what it is currently popular.

Submitted by markh | Edited by @tweye

iTwitter

http://twittinsecrets.com/twitter-links/itwitterhelp.html

An app that lets you create a Twitter Workbench so that you can manage your Twitter account from within iGoogle.

Submitted by markh | Edited by @tweye

Be Twittered

http://www.google.com/ig/adde

A client that allows you to post updates without having to leave your Goolge homepage.

Submitted by markh | Edited by @tweye

Friendfeed Twitter Client

http://userscripts.org/scripts/show/24396

A client that adds a character counter to the comment field, clicks the 'reply on Twitter' and has an interface for sending Tweets.

Submitted by markh | Edited by @tweye

Twitku

http://twitku.com/

TwitKu is a simple web app that lets you monitor the social networking sites like Twitter on a single page.

Submitted by markh | Edited by @tweye

Buylater

http://www.buylatr.com/

Adds a button to Amazon.com webpages, sending you messages to yor Twitter when items come back in stock or the price changes.

Submitted by markh | Edited by @tweye

Yedda

http://yedda.com/twitter/

An app that lets you share knowledge with other Twitter users allowing you to answer questions or ask them.

Submitted by markh | Edited by @tweye

Twitter Viddler

http://www.flickr.com/photos/factoryjoe/465355574/

An app that allows you to combine your Twitter account with your Viddler account.

Submitted by markh | Edited by @tweye