FrontMeter - The internet's most powerful AnyPage™ builder
Zendesk - Zendesk is a beautiful, lightweight help-desk solution.
LeadPages - LeadPages™ Software is the world's easiest landing page generator. It's the easiest way to build conversion optimized & mobile responsive landing pages.
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
Pagewiz - An innovative landing page platform that lets you create, publish, and split-test landing pages.
HelpScout - Help Scout is a simple, straightforward way to provide excellent support