Zendesk - Zendesk is a beautiful, lightweight help-desk solution.
KronoDesk - KronoDesk is a web-based help desk solution.
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
SpiceCSM - Integration Platform as a Service for contact centers
HelpScout - Help Scout is a simple, straightforward way to provide excellent support
Scorebuddy - SO WHAT IS SCOREBUDDY ALL ABOUT? Years ago, physical score cards or computer spreadsheets were used to track customer interactions.