Google Mail registration
Monorepo hosting the proton web clients
Lightweight Open Source webmail written in PHP and JavaScript
Compose, deliver and test your emails easily in Elixir
Arcjet JS SDKs. Rate limiting, bot protection, email verification
Provides mechanisms for walking through any arbitrary PHP variable
Strong Email & Apache Log Analysis with Active Security Features
Open source e-mail tracker made with Flask, setup & run in 10 minutes
Zentyal is a Linux Small Business Server
An extensible desktop mail app built on the modern web
Business webmail modular application with mobile client
Multiple account (or label) Gmail notifier (without storing passwords)
Postfix + Courier + Mysql Admin Webfrontend