PrivMX WebMail
Alternative, self-hosted private mail system. End-to-end encryption for messages and attachments.
21 Alternatives To PrivMX WebMail
CacoCloud
A simple, fast and secure PHP/AngularJS based single user feed and mail reader, password and…
Courier-MTA
The Courier mail transfer agent (MTA) is an integrated mail/groupware server based on open…
Cypht
All your E-mail, from all your accounts, in one place. Cypht is like a news reader, but for E-mail.
Expanding Communication
Turnkey Solutions for the Enterprise Cloud
GMX
GMX Mail is a German-based free webmail service provided by GMX (Global Mail Exchange).
Horde
Horde Groupware is a free, enterprise ready, browser based collaboration suite.
Kerio Connect
KerioConnect is a commercial mail and groupware server.
Mailpile
Mailpile is a modern, fast web-mail client with user-friendly encryption and privacy features.
Microsoft Exchange Server
Microsoft Exchange Server is a messaging and collaborative software product developed by Microsoft.
NeutronMail
Self-hosted server for the ProtonMail client.
OpenChange
OpenChange aims to provide a portable Open Source implementation of Microsoft Exchange Server and…
OpenMediaVault
OpenMediaVault is the next generation network attached storage (NAS) solution based on Debian Linux.
Rainloop
RainLoop is a web based email client.
Roundcube
Web-based IMAP email client
SOGo
SOGo is groupware server with a focus on scalability and open standards.
Squirrelmail
SquirrelMail is a standards-based webmail package written in PHP.
Turing Email
Turing. Modern email has arrived. Turing Email supports email providers including Google Apps, Outlook, Yahoo Mail, iCloud Mail, and AOL Mail. Join our exclusive network.
Zimbra Collaboration Suite
Zimbra Collaboration is an open, secure collaboration tool for email, calendaring, tasks and more.
iMail
Fast, safe, heavy mail solution.