Blade

Build a useful contact list from your Gmail connections

Keplars

Build and send transactional or marketing emails with connected accounts, APIs, and delivery tracking.

Sendra

Export Figma email designs as responsive HTML for your email platform.

Maildun

Design product emails with a native Mac builder and an open-source platform

Sidemail

Send transactional emails, newsletters, and automated sequences for software products

mailX

Diagnose domain authentication, DNS, and email delivery setup