Byteplant - Email Security and Data Validation Services
Anti-Spam/Anti-Virus filter (SpamAssassin and ClamWin) for any mail server
Mail spam filter (SMTP/POP3), includes award-winning SpamAssassin filter engine
ByteMon is a MRTG-like network monitoring solution (SNMP, WMI, Packet Filtering)
Realtime Webserver Monitoring - see what's happening on your webserver right now
Arctor is an easy-to-use and powerful file backup solution.