Velocify Lead Manager - Lead Scoring

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

Everstring - EverString helps companies leverage data to optimize sales and marketing capabilities.

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

Mintigo - Mintigo’s predictive marketing platform for enterprise enables insight-driven customer engagement to win and retain customers.

Tweetdeckr - Tweetdeckr is an open source Tweetdeck replacement client.