Yammer - Yammer is a leading enterprise social network used by more than 200,000 companies worldwide, including 85% of the Fortune 500, to get work done smarter and faster. Sign Up Today.
Zendesk - Zendesk is a beautiful, lightweight help-desk solution.
SmartKarrot - Comprehensive customer success platform designed for ease of use. Software has been specifically architected to address account churn, client retention, and expansion goals whilst providing your customers with the best experience.
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
Workplace by Facebook - Connect everyone in your company and turn ideas into action.
HelpScout - Help Scout is a simple, straightforward way to provide excellent support