online twitter services
http://intwition.com/ - URLs that are twittered about
http://quotably.com - a better way for following a busy twitter
http://twitter100.com - another way to look at your followers
http://twitter.grader.com - determs your twitter grade
http://tweetvalue.com - How much is your tweet worth ?
http://twittermeter.com/
http://www.tweetstats.com/ -makes your graphs
TwitDir : a Twitter directory - http://twitdir.com
http://monitter.com/ - monitoring the Twitter world for a set of 3 keywords and watching this on a live display
summize.com

TweetBeep: Twitter Keyword Alerts to Your E-mail -http://www.tweetbeep.com/
http://tweetscan.com - scanning the Twitterverse
http://twitrratr.com - tracking opinions on twitter

http://www.tweetlater.com - Now YOU Can Schedule Future Tweets For All Your Twitter Accounts

17 Ways to Visualize the Twitter Universe - http://flowingdata.com/2008/03...
http://cli.gs - gets stats on your influence by using these short urls
http://tweetrush.com/
http://www.twellow.com/ - a great new search tool and directory for discovering Twitter users
http://www.tweetmeme.com - reporting some problems with their service at this moment
http://www.twittercounter.com- a new service that creates a badge showing off your Twitter follower count
TweetWire Turns Twitter Into An Instant Newspaper - http://www.tweetwire.com
http://www.twitlinks.com - tweets for busy people
http://twitturly.com - Twitt(url)y is a service for tracking what URLs people are talking about as they talk about them on Twitter.

The ultimate / quasi-exhaustive listing of twitter apps
http://www.lo-fi-librarian.co....