Mailmeteor - Send hundreds of personalized emails with Gmail.
Bloomerang - Bloomerang is a simple donor database and fundraising software solution that helps nonprofits decrease donor attrition and increase revenue.
Dynamically Personalized Emails by QGraph - Hyper-personalized emails for E-commerce
Kindful - Nonprofit donor database + fundraising tools all in one
Nova Inbox - Personalize emails in seconds, right from your inbox
Classy - Expressive, flexible, and powerful stylesheets for native iOS apps