Here is my selection of the six thirteen best tools and platforms to analyze your Twitter Stream.
Twitter Grader: http://twitter.grader.com/
Twitter Analyzer: http://www.twitteranalyzer.com/
Twitter Counter: http://twittercounter.com/
Twitter Score: http://twitterscore.net/
Twitterholic: http://twitterholic.com
Twinfluence: http://twinfluence.com/
Tweet Effect: http://www.tweeteffect.com
Tweetstats: http://tweetstats.com
Twitalyzer: http://www.twitalyzer.com
Twitter Friends: http://twitter-friends.com
Trendistic: http://trendistic.com
Really interesting tool to track trending topics.
Twitturly: http://twitturly.com
Best way to analyse your outbound links on your twitter stream as well as hot topics.
Micro Plaza: http://microplaza.com
Impressive tool to track and visualize the hot topics of your followers on twitter. A kind of “crowdsourced” news platform personalized through your twitter account.