IM Lock Enterprise 2007
IM Lock Enterprise controls and blocks access to Instant Messaging and peer to peer services that waste time and compromise computer security. Free trial version available - sets up in less than a minute. Blocks all popular services: MSN Messenger, Yahoo Messenger, ICQ, AIM, Skype, eMule, iTunes, and many more. Also controls web browsing. IM Lock is continually updated to detect and block new programs as they are released. Easy setup and admin.

Parental Filter 0.29
Parental Filter is a 100% freeware porn blocker. It specialises in blocking porno websites nothing more, nothing less. Sometimes kids come over your house and they say can we go in the internet, and you think what if porno sites start poping up. This stops that from happending. Parental Filter is automatic, you just turn it on and porn gets blocked.