From MAKI Enterprise:
Kids Server is a proxy server software with advanced web filtering capabilities. It is Mac OS X based and able to restrict any browsers in any operating system (Mac OS, Windows, UNIX and so on) in your network.
What's new in this version:
Real Time Clients Monitor - KidsCaster for KidsServer is bundled.
You can monitor what all clients are doing online in real time.
Better RSS Filtering.
Improve filtering engine for Russian sites.
Improve KFS compatibility.