MailChimp - MailChimp is the best way to design, send, and share email newsletters.
Marketo - Marketo's powerful marketing automation software helps marketers master the art & science of digital marketing to engage customers and prospects.
Feedly - The content you need to accelerate your research, marketing, and sales.
HubSpot Marketing Hub - HubSpot is a cloud-based inbound marketing software that allows businesses to transform the way that they market online.
GetResponse - Email marketing from GetResponse. Send email newsletters, campaigns, online surveys and follow-up autoresponders. Simple, easy interface. FREE sign up.
Ortto - Journeys made simple. Your customer data, messaging and analytics working together.