The classic email sending library for PHP
Open Source Email App for iOS
Open source email service with a strong focus on security and privacy
A faster, leaner email client and fork of Nylas Mail
Command line management for Google G Suite
Open Source Email App for Android (fka K-9 Mail)
Open Source Email App for Android
E-mails, subdomains and names
Gmail desktop app for macOS, Windows & Linux (formerly Gmail Desktop)
Lightweight Open Source webmail written in PHP and JavaScript
Monorepo hosting the proton web clients
Provides mechanisms for walking through any arbitrary PHP variable
Proton Mail Bridge application
Proton Mail Android app
Anonymous email forwarding
Rapid spam filtering system
Arcjet JS SDKs. Rate limiting, bot protection, email verification
Unofficial ProtonMail Desktop App
Secure email that protects your privacy
Email tracker, read receipt and spy pixel blocker plugin, macOS Mail
Mail hosting made simple
Compose, deliver and test your emails easily in Elixir
Send beautiful HTML emails with Laravel
A mail driver to quickly preview mail
Notifuse is an open-source & modern emailing platform