Some really Cool Social Media Tools:
1. Majestic SEO: http://www.majesticseo.com/
It Is easily one of the most powerful and useful link analysis tools available.
2. Eric Miraglia ’s Inlink Analyzer : http://ericmiraglia.com/inlink/
Is a back link analysis tool based on Yahoo’s Site Explorer that not only counts and displays source links to a particular URL, but it also shows if the source links were bookmarked on Delicious and what keyword tags were used.
3. Google Insights : http://google.com/insights/search/#
Mainly For Search its is a handy tool to research trends in popularity of various keywords on their own or in combination.
4. SEMRush : http://www.semrush.com/
It is an interesting tool for identifying the keyword visibility, both organic and PPC.
5. KnowEm : http://knowem.com/
It helps you easily and quickly check whether your brand terms or other keywords have been registered as social profiles on a wide variety of social media web sites.
6. HowSociable : http://www.howsociable.com/
It is a useful tool to quickly gauge the social presence of a particular keyword or brand name.
7. Bit.ly : http://bit.ly/
URL shortening is very handy since they’re included as a default service on Twitter and many other Twitter applications.
8. SocialMention : http://socialmention.com/
It is a free real time and social search tool that offers an array of search options (just blogs, just forums, just bookmarks or all) and output in the search results.
9. FiltrBox: http://www.filtrbox.com/twitter.htm
Lets you check your twitter influence