Zendesk - Zendesk is a beautiful, lightweight help-desk solution.
Kapta - Key account management software
Freshservice - Freshservice: the one-stop cloud solution for all your IT management needs.
Board - Unified BI, CPM and predictive analytics software.
ServiceNow - ServiceNow automates and manages global enterprise service relationships. Create a single system of record for enterprise services, automate manual tasks, consolidate legacy ITIL systems.
EcholoN - Holistic service management: service, support + customer care. From Ticketing to Helpdesk, Service Desk, ITSM to Enterprise Service Management