Freshservice - Freshservice: the one-stop cloud solution for all your IT management needs.
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
Trakdesk - Trakdesk is a fully customizable customer support platform with all the bells and whistles you would need to provide exceptional customer support
Zendesk - Zendesk is a beautiful, lightweight help-desk solution.
HelpScout - Help Scout is a simple, straightforward way to provide excellent support
SolarWinds Service Desk - An IT service management (ITSM) solution that understands what it takes to successfully manage your employee services. Try Solarwinds Service Desk for free!