Sysomos is the leading provider of social media monitoring and analytics tools. Features include Sentiment Analysis, Workflow Management, Facebook and Twitter integration.
Spiral16 monitoring software harnesses the web for business. Clients use Social media monitoring for competitor analysis, campaign monitoring, media monitoring.
Social Mention is a social media search engine that searches user-generated content such as blogs, comments, bookmarks, events, news, videos, and microblogging services.