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!
rasa.io - Get more from your email list.
Quokka (formerly Kryptowire) - The gold standard in SAST, MAST, IAST, and more!
Mailshake - Mailshake lets you build your professional network through a smart and intuitive approach to cold emailing.
HubSpot Free Email Marketing - Powerful drag and drop email marketing in the HubSpot CRM
SendPulse - Maximizing e-mail marketing open rates automatically