OTRS ITSM VS Maian Support

Zendesk - Zendesk is a beautiful, lightweight 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

Freshservice - Freshservice: the one-stop cloud solution for all your IT management needs.

Trakdesk - Trakdesk is a fully customizable customer support platform with all the bells and whistles you would need to provide exceptional customer support

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.

HelpScout - Help Scout is a simple, straightforward way to provide excellent support