GetResponse - Email marketing from GetResponse. Send email newsletters, campaigns, online surveys and follow-up autoresponders. Simple, easy interface. FREE sign up.
SendOut - Affordable email marketing for bloggers and influencers
Sendy - Sendy is a self hosted newsletter app that sends emails 100x cheaper via Amazon SES
MailChimp - MailChimp is the best way to design, send, and share email newsletters.
ListShine - Easy to use and affordable email marketing service with focus on simplicity and core features.
Mailzak - Give a boost to your #EmailMarketing