GMass - GMass allows you to easily schedule emails, send out mass emails and mail merge campaigns and more with Gmail! Click here to learn about more features!
Quokka (formerly Kryptowire) - The gold standard in SAST, MAST, IAST, and more!
Campaign Genius - Send dynamic email content through any platform, instantly.
HubSpot Free Email Marketing - Powerful drag and drop email marketing in the HubSpot CRM
MailChimp Snap - Send simple, photo-based email campaigns from your phone.
Platformly - Platformly is a suite of tools for multi-channel marketing automation.