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!
Elevatr Email Marketing Automation - Fast and easy email marketing software
Google Sheets Email Marketing - Email automation and validations directly from Google Sheets
Vero Newsletters - The first "baseless" email marketing tool.
SendFox - Create automated newsletter campaigns with an affordable email marketing solution
State of Business Email Marketing - Stats that will improve your business’ emails performance