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!
Mailjoy - Delightfully easy direct mail marketing. A DIY direct mail tool created for marketing and growth teams. Design, mail & track personalized direct mail postcards and letters. Digital marketers use Mailjoy to send data-driven mail campaigns.
Elevatr Email Marketing Automation - Fast and easy email marketing software
I hate mailto - Stop websites from opening your email client.
Google Sheets Email Marketing - Email automation and validations directly from Google Sheets
RealMailers - Send geo-targeted direct mail to 110M+ homes in the US