Lightweight Open Source webmail written in PHP and JavaScript
E-mails, subdomains and names
SMTP email proxy and relay server
The classic email sending library for PHP
High performance, self-hosted, newsletter and mailing list manager
PHP package built for Laravel 5.* & 6.* & 7.* & 8.* & 9.* & 10.*
Write email in Markdown and render them before sending
Fast and robust e-mail parsing library for Rust
Monorepo hosting the proton web clients
Unofficial ProtonMail Desktop App
Arcjet JS SDKs. Rate limiting, bot protection, email verification
Booking/reservation of meeting rooms/equipment with e-mail invitations
Chat Messenger. E-Mail-Client. Websearch. Filetransfer.
Strong Email & Apache Log Analysis with Active Security Features
Per user/admin filtering of individual/group emails
Simple-to-use/-install issue-tracking system: web, REST, email, CLI
Open source e-mail tracker made with Flask, setup & run in 10 minutes
Sasa is a collection of organized extensions to the .NET framework.
OpenXP 5 - a multi-protocol offline mail and news reader
Anti Spam SMTP Gateway