SharpSpring - Simple Marketing Automation for Agencies and SMBs
HubSpot - Grow Better With HubSpot: Software that's powerful, not overpowering. Seamlessly connect your data, teams, and customers on one CRM platform that grows with your business.
Clearbit - Clearbit provides Business Intelligence APIs
ActiveCampaign - Integrated email marketing, marketing automation, and small business CRM. Send beautiful newsletters, setup behavioral based automations, and benefit from sales automation.
Lead Forensics - B2B website analytics and lead generation.
Pardot - Salesforce B2B marketing automation