A faster, leaner email client and fork of Nylas Mail
Rapid spam filtering system
Windows eml and mbox viewer.
SMTP email proxy and relay server
Sync Outlook with Google, SOGo or any other CalDAV / CardDAV server
Sync Outlook contacts and calendars with Google
Fast Bayesian spam filter along lines suggested by Paul Graham
Client daemon to move mail from POP and IMAP to your local computer
mailbox synchronizer
Mail Notifer for Windows
SOGo Zero-Effort-Groupware
C library for sending e-mail (with attachments) from C/C++
HotelSoft1.2Acs is a free open source software for the Hotel actvity
Universal server
Chat Messenger. E-Mail-Client. Websearch. Filetransfer.
Strong Email & Apache Log Analysis with Active Security Features
Anti Spam SMTP Gateway
Sasa is a collection of organized extensions to the .NET framework.