Universal server
Client daemon to move mail from POP and IMAP to your local computer
Chat Messenger. E-Mail-Client. Websearch. Filetransfer.
secure, reliable, fast MTA
The cult-favourite eMail client formerly known as Qualcomm Eudora
one server framework
Synology DSM installable package for Baïkal CalDAV & CardDAV server
Encrypting E-Mail Client
YAM - The E-mail client for Amiga computers
Simple Lotus Notes mail client
Chat Messenger - Open Source Social Network - Online Chess Game
Email client for sending emails to someone using any chosen Name
Microsoft Exchange compatible server and client libraries