Polymail Sequences - Simple, powerful multi-stage email campaigns

NeverBounce - Real-time email verification and cleaning to ensure emails never bounce.

MailChimp Snap - Send simple, photo-based email campaigns from your phone.

Email List Verify - The Fastest Way to Improve Email List Deliverability and ROI

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!

DeBounce - Email Validation, Email Checker, Data Enrichment and Appending Tool. Using DeBounce remove invalid, disposable, spam-trap, syntax and deactivated emails.