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

HelpDesk - HelpDesk is a powerful and affordable ticketing system and help desk software for effortless customer support. Get started for free, no credit card required.

HelpNinja - Simple & Affordable help desk

Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.

SupportYourApp - Connecting talented people with the blooming IT industry to help them grow faster by outsourcing support.

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