Roadmap - Collision avoidance for projects and people
Zendesk - Zendesk is a beautiful, lightweight help-desk solution.
Frill - A better way to collect customer feedback
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
Usersnap - Usersnap is a customer feedback software for SaaS companies that need to constantly improve and grow their products.
HelpScout - Help Scout is a simple, straightforward way to provide excellent support