- e-Surveiller
eSurveiller is a powerful user-activity monitoring, logging and management software package. With it, you can monitor the activities of computer users on standalone computers, on a local area network and on remote computers across the Internet.
http://www.e-surveiller.com/

 
 - SpamEater Pro
SpamEater is an advanced Spam filtering tool that will rid your mailbox of Spam before you download it with your mail client software.
http://www.hms.com/spameater.asp