#2 HootSuite:

HootSuite is a social media management system for brand management created by Ryan Holmes in 2008. The system’s user interface takes the form of a dashboard, and supports social network integrations for Twitter, Facebook, LinkedIn, Google+, Foursquare, MySpace, WordPress and Mixi.

Apart from the above, additional integrations are also available. Using HootSuite’s App Directory, users can integrate with Instagram, MailChimp, Reddit, Storify, Tumblr, Vimeo and YouTube.

This Vancouver based company has over 4.5 million users, according to recent surveys as of September 2012.

#1 Klout:

Truly the front runners in social media analytics, Klout is a website and mobile app that uses analytics to rank its users according to online social influence via the "Klout Score." Practically Klout score is a numerical value between 1 and 100. In determining the user score, Klout measures the size of a user's social media network and correlates the content created to measure how other users interact with that content.

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