No features have been listed yet.
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.
Mailtrack.io - The best email tracking solution I've found. Free
ActiveCampaign - Integrated email marketing, marketing automation, and small business CRM. Send beautiful newsletters, setup behavioral based automations, and benefit from sales automation.
MailTracker - MailTracker is a mobile email tracking solution.
Pardot - Salesforce B2B marketing automation
Snov.io - Sales engagement on autopilot.