SocialRank - Graph search for TWTR. Filter by interests, location, etc

Swagbucks - Swagbucks is a loyalty program that offers individuals rewards for engaging in various activities. Users can earn reward points for performing Internet searches, purchasing items from affiliated vendors, or completing polls.

Radian 6 - Radian6 gives you a complete platform to listen, measure and engage with your customers across the entire social web.

EveryoneSocial - Social selling and employee advocacy software designed to help employees become powerful marketers, sellers, and recruiters.

DSMN8 - The All-In-One Employee Influencer Platform. We make it easy for Employees to become Influencers, Social Sellers & Brand Advocates!

SocialToaster - SocialToaster is an enterprise-level fan engagement platform that uses social media to amplify brand's message.