TweetDeck - TweetDeck is your personal browser for staying in touch with what’s happening now.

InsightSquared - #1 for Salesforce.com Pipeline forecasting, profitability analysis, activity tracking: all the small business intelligence you need. Works using CRM data and automatic syncing.

Twitterfall - Twitterfall is an excellent choice if you want something basic, free and without much branding.

Aviso - Aviso provides predictive analytics software to help sales organizations optimize their performance and exceed revenue goals using machine learning algorithms and portfolio management techniques.

Tweetdeckr - Tweetdeckr is an open source Tweetdeck replacement client.

Sidekick by Hubspot - Customer insight integrated with your email tools.