VISE is a security software application for Parental Control:

It allows you to monitor, control and limit access to the computer and the internet:

• Add users to different profiles, each with fully customizable settings.
• Use 'allow' or 'block' lists for specific applications, folders/files, and websites.
• Allow or block individual internet services (port based).
• Control chat and instant messaging by selecting allowed contacts, blocking certain phrases, and logging sensitive language or even complete chat sessions.
• Allow or block file transfer and webcam usage during the chat
• Set up a timetable when the computer can be used, and/or set a maximum time limit per day/week/month.
• Automatically take snapshots on time intervals or task switches.

Click here for installation instructions.
Click here for general information on VISE usage.