What are some alternatives?
HubSpot - HubSpot is an inbound marketing and sales platform that helps companies attract visitors, convert leads, and close customers.
Marketo - Marketo's powerful marketing automation software helps marketers master the art & science of digital marketing to engage customers and prospects.
GetResponse - Email marketing from GetResponse. Send email newsletters, campaigns, online surveys and follow-up autoresponders. Simple, easy interface. FREE sign up.
Pardot - Salesforce B2B marketing automation
SharpSpring - Simple Marketing Automation for Agencies and SMBs
MailChimp - MailChimp is the best way to design, send, and share email newsletters.