Headless email client
Simple, modern & fast web-based email client
An email client built with the Next.js App Router and Postgres.
Low-level JS IMAP client for all your IMAP needs.
Quickly create responsive HTML emails that work on any device and client. Even Outlook.
Craft beautiful emails effortlessly with Maily, the powerful email editor that ensures impeccable communication across all major clients.
ThatInbox is a free and open-source email client
Python SMTP client and Email for Humans™
A graphical, hackable email client based on notmuch
An Awesome cross platform, simple, os friendly Email Client for desktop
Build a very simple email client in an hour, step by step.
PHP Email address validator
python client library for the Verified Email Protocol (aka "BrowserID")