Powerful security and access control utility for Windows 7/Vista/XP/2000/x64 that lets you hide or password-protect files and folders, as well as restrict access to other resources. http://www.winability.com/

ActiveExit for Windows XP/2000-2005/x64 - a set of tools to control Windows exit: it can log off users or shut down the computer automatically after a period of inactivity, or when the allowed time of using the computer ends, etc.

A powerful tool for web developers to control the mapping between the host names and IP addresses. Can be used to block access to unwanted web sites, suppress third-party web ads while web surfing, speed up DNS queries, and more.