Zendesk - Zendesk is a beautiful, lightweight help-desk solution.
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.
Freshservice - Freshservice: the one-stop cloud solution for all your IT management needs.
InvGate Service Desk - InvGate Service Desk is a web-based ITIL-ready solution with an unprecedented user interface.
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
NinjaOne - NinjaOne (Formerly NinjaRMM) provides remote monitoring and management software that combines powerful functionality with a fast, modern UI. Easily remediate IT issues, automate common tasks, and support end-users with powerful IT management tools.