MailChimp - MailChimp is the best way to design, send, and share email newsletters.
17hats - The all-in-one business system for entrepreneurs.
Constant Contact - Constant Contact offers email marketing, social media marketing, online survey, event marketing, digital storefronts, and local deals tools.
Post Affiliate Pro - Post Affiliate Pro is the #1 ranked affiliate software, trusted by more than 27,000 companies worldwide. Start your affiliate program now.
Campaign Monitor - Email marketing software built for designers and their clients to run successful email campaigns.
LinkPoint Connect - LinkPoint Connect: Desktop Edition for Salesforce links the work you do in your email to the records you need to update in the CRM.