Email Service Providers
Constant Contact provides email marketing, social media marketing, event marketing, and online survey tools to help small organizations grow their businesses by building stronger customer relationships.
MailChimp is an email marketing service provider, founded in 2001. It has 6 million users that collectively send over 4 billion emails a month through the service. It is a web-based application, although data can be downloaded and for some features there is an offline application.
Silverpop provides software to marketing teams, enabling them to more effectively and efficiently understand and motivate their target audience through a variety of digital marketing channels.