Zendesk - Zendesk is a beautiful, lightweight help-desk solution.

SmartFocus - SmartFocus empowers you to deliver omnichannel​ marketing campaigns with true personalization.

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

AdCurve - AdCurve is an online campaign management platform for retailers.

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

Powermailer - Bulk Email Marketing Service in India by PowerMailer helps you to design email newsletters, Schedule your Email Campaigns, Track Email Campaigns