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

kookdokoo - Kookdokoo is business communication app helps businesses to connect Suppliers and Customers to share product details and images for product promotions.

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

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

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

Zervicio - Customer Support Services