Paul Gillin's Profile

Viral Heat — Viral Heat is an affordable social media monitoring service that includes a sentiment breakdown for Twitter mentions.

Twendz — Twendz is a very basic real-time Twitter sentiments tool.

Tweet Feel — Tweet Feel is another real-time Twitter sentiments search-engine.

Crimson Hexagon — Crimson Hexagon is an Enterprise-level social media tracking tool. The algorithm they use for their VoxTrot Opinion Monitor is really impressive stuff, and will help you determine what consumer sentiment is toward your brand based on social media mentions.

Sentiment Metrics — Sentiment Metrics is another tool aimed at enterprises or larger businesses. We mentioned them in our round-up of reputation tracking tools last year.