Social Sentiment

Social Sentiment is a WP plugin that lets your search twitter for recent tweets containing your search term. Use # or @ tags or use the search term as it is, choose how many tweets to return. Social sentiment plugin will then calculates the positive, negative and neutral sentiment scores for each tweet and aggregated the scores to create a pie chart. Store your pie chart in the WP database for display in WP pages. Display charts using a shortcode in the main body of a page or as a side-bar widget. Displayed charts are updated once per day so that displayed sentiment is relevant. Subscribe to allow storage and display of more charts at once

Requirements:

Wordpress 3.2, PHP 5.3

Limitations:

30-day trial, limited to 4 concurrent charts