Zendesk - Zendesk is a beautiful, lightweight help-desk solution.
Quantcast Measure - Quantcast Measure provides free cross-platform audience measurement for a mobile app, website, network or platform.
Freshdesk - Freshdesk is a cloud-based customer support software that lets you support customers through traditional channels like phone and email, social channels like Facebook and Twitter, and your own branded community
Affinio - Affinio is an advanced marketing intelligence platform that leverages the interest graph to understand today’s consumers.
HelpScout - Help Scout is a simple, straightforward way to provide excellent support
Talkwalker - Talkwalker Consumer Intelligence Platform: built for speed of insight, ease of use, and data democratization