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

Outgrow - Enabling marketers boost conversion with interactive, beautiful & viral quizzes/calculators.

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

doopoll - Create live, instant, editable polls effortlessly

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

1World Online - 1World's Platform consists of applications like polls, quizzes, surveys, and debates to boost engagement and revenue opportunities.