Zendesk - Zendesk is a beautiful, lightweight help-desk solution.
SharpSpring - Simple Marketing Automation for Agencies and SMBs
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
ActiveCampaign - Integrated email marketing, marketing automation, and small business CRM. Send beautiful newsletters, setup behavioral based automations, and benefit from sales automation.
HelpScout - Help Scout is a simple, straightforward way to provide excellent support
AdRoll - AdRoll is a leader in retargeting display advertising. Draw the right people with the right strategies.