Complete implementation of the SSH protocol
eMail is a fork of Interlink for IA-32 i686 with more optimizations.
Open Source Email App for iOS
A faster, leaner email client and fork of Nylas Mail
Open source email service with a strong focus on security and privacy
Open Source Email App for Android
Django email backends and webhooks for Amazon SES, Mailgun, Mailjet
Design responsive HTML emails that work on any device & email client
Open Source Email App for Android (fka K-9 Mail)
Proton Mail Android app
IP notification and information of your remote computer by email
A manager for game achievements in Steam
Win32 port of OpenSSH
Proton Mail Bridge application
Fast, efficient torrent downloader with minimal resource consumption
A high-speed covert tunnel that disguises TCP traffic as SMTP email
The only framework that makes responsive-email easy
Lightweight Open Source webmail written in PHP and JavaScript
Unofficial ProtonMail Desktop App
Monorepo hosting the proton web clients
Take back control of your email with this mail server in a box
Secure email that protects your privacy
Privacy-first password manager with built-in email aliasing
A Decentralized, Onion Routed, Private Messenger