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

DeskPRO - DeskPRO is a multi-channel help desk software.

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

UseResponse - Open-source, self-hosted customer feedback software, live chat and helpdesk system that you can install on your server. Organize documentation using knowledge base and get feedback from social networks with centralized system

SupportBee - SupportBee's Help Desk Software helps your team collaborate on customer support. All our plans come with UNLIMITED Agents. Start a FREE 14 day trial today!