Zendesk - Zendesk is a beautiful, lightweight help-desk solution.
Adereso Helpdesk - Adereso is an Omnichannel business communication platform that makes it easy to communicate and collaborate with your customers and can actually save you money.
Front - The platform for exceptional customer service at scale.
Saysimple - Saysimple is a business communication platform that helps small businesses communicate faster and more effectively with their customers.
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
SleekFlow.io - Sell, convert & support better on chat