Chat2Serve - Chat2Serve will engage your website visitors, and convert them into qualified leads.

Callbell - Callbell is a software as a service platform for customer communication via Direct Messaging Apps

Jira Service Desk - IT service desk and customer service software by Jira Service Desk. Powerful ticketing system used by 25,000+ organizations. Try it free today.

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

SolarWinds Service Desk - An IT service management (ITSM) solution that understands what it takes to successfully manage your employee services. Try Solarwinds Service Desk for free!

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