Anti-Spam SMTP Proxy Server implements multiple spam filters
Universal server
Fast Bayesian spam filter along lines suggested by Paul Graham
Mailing List Manager - Web-based, Self-Hosted, Feature-Rich
Anti Spam SMTP Gateway
Booking/reservation of meeting rooms/equipment with e-mail invitations
Backs up your Citadel server daily and keeps the last 5.
Script set to archive emails at groupwise server side
Zentyal is a Linux Small Business Server
Gets status for Alien Arena servers
Full SMTP/Mail server Appliance in 5 minutes
Internet - Multi Server Control Panel
Open Source Anti-Spam and Anti-Virus Gateway
Virtual Appliance of RadicalSpam
MailSmsGateway is a simple interface between mailing and sms services.
Monitoring backup jobs tool for Symantec NetBackup
LocalServer is a Web Server software for windows