AWeber - AWeber is an Email marketing software that's easy to use. Send email newsletters & autoresponders and deliver top notch emails.
Marketo - Marketo's powerful marketing automation software helps marketers master the art & science of digital marketing to engage customers and prospects.
MailChimp - MailChimp is the best way to design, send, and share email newsletters.
Ortto - Journeys made simple. Your customer data, messaging and analytics working together.
ActiveCampaign - Integrated email marketing, marketing automation, and small business CRM. Send beautiful newsletters, setup behavioral based automations, and benefit from sales automation.
Wix ShoutOut - Wix ShoutOut is one of the best email marketing, newsletter builder and editing platform available to use on Android and iOS devices and enable businesses to create, send, and share promotions with their subscribers.