Aprive - Aprive is a FREE CRM which is powered by Acquaint Softtech Private Limited to help you manage and convert your leads easily while enabling you to grow your team’s performance and make smart decisions.
Freshservice - Freshservice: the one-stop cloud solution for all your IT management needs.
Salesforce - CRM software solutions and enterprise cloud computing from salesforce.com, the leader in CRM and platform as a service.
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
Zoho CRM - Omnichannel CRM for Businesses of all sizes
Zendesk - Zendesk is a beautiful, lightweight help-desk solution.