WHMCS - WHMCS is an all-in-one client management, billing & support system for online businesses.
DigitalChalk - Online Training Software and Learning Management System (LMS)
HostBill - HostBill is a powerful and flexible, all-in-one automation, billing, client management and support platform for online businesses.
Workplace by Facebook - Connect everyone in your company and turn ideas into action.
Blesta - Blesta is professional client management, billing, and support software.
Moxtra - Moxtra is a multi layered, embeddable team collaboration solution.