Zendesk - Zendesk is a beautiful, lightweight help-desk solution.

Haeppie - haeppie is made for Sales & Customer Success Teams - Turn buyer journeys into more revenue and get all decision makers on the same page with haeppie Sales Spaces.

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

Thunderhead.com - Thunderhead provide a new generation of powerful SaaS solutions for customer engagement and customer experience management.

HelpScout - Help Scout is a simple, straightforward way to provide excellent support

emlen.io - The most simple & innovative technology to activate and distribute sales content as an experience.