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!
Campaign Genius - Send dynamic email content through any platform, instantly.
Elevatr Email Marketing Automation - Fast and easy email marketing software
MailChimp Snap - Send simple, photo-based email campaigns from your phone.
Google Sheets Email Marketing - Email automation and validations directly from Google Sheets
Mailmeteor - Send hundreds of personalized emails with Gmail.