Statistics

-Search twitter users by their Bio, Name and location
-Compare upto 3 twitter user accounts
-View stats such as common followers, average tweets per week, join date etc.

-Receive mentions and @replies via text messages
-Receive mentions and @replies via email
-Tweet RSS feeds to your Twitter account as Direct Messages
-Track Twitter hashtags and trends through text messages
-Free to use
-Displays twitter usage statistics

-Find the top twitter users
-Find out stats such as number of tweets, bio etc of any twitterer

* View the top TV shows being tweeted by twitter users
* Shows rated based on the attention quality and quantity received
* Spam protection to prevent any one single user from influencing the ratings

* Analyze your twitter account
* Variety of graphs available to track all your twitter habits
* No password required

TwitterFriends lets you view stats about your twitter behaviour. The data shown in this site are comprehensive and gives you enough insight into your twitter behaviour.

Enter your username and view details on the number of people you @Replied to, the number of twitter users who @replied back to you, a complete graph displaying all the users to whom you sent out an @Reply in recent times and vice-versa!

By being able to view these stats, you gain more info about the people who are more actively involved with you out of all the hundreds on followers that you might have.

TwitterFriends also displays your inactive twitter friends.

Twitterholic helps you find your twitter influence. Twitterholic also gives you a list of all the top twitter users. You can find out top twitter users according to location too. Use Twitterholic to satisfy your ego. Look up where you stand in your area. Find out who the top twitterers are and start following the [...]

RetweetRank ranks twitter users based on the number of retweets they have received. You simply have to enter the twitter username and the site calculates the retweet rank and also displays your percentile. RetweetRank has also introduced a GreaseMonkey script that displays the retweets for a user on the sidebar of the twitter page. Besides [...]

If there were a few more like these then twi5 would have a separate category named EGO APPS. TwickSize was developed after this tweet. The site basically calculates how famous you are and displays the result in ‘inches’. Follow @bnlv