FeedbackLink - Let happy customers tell the world, survey the rest.

UserVoice - UserVoice integrates easy-to-use feedback, helpdesk, and knowledge base management tools in one platform that empowers users to speak and companies to understand.

dbaPlatform - A local SEM solution for increasing visibility for local businesses on Google, Apple, Bing, and other consumer platforms. Drive more foot traffic with solutions for retail inventory, vehicle inventory, and local listings.

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

Extend - Let customers call you from your website

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