Marxio Login Logger is a invisible Login Tracking, Login Viewer and Login Logger application that allows you to track who was using your computer while you were away. The Login Tracker records the time a user logged into the computer and when the user logged out. The application could also be used as a sort of time card, enabling you to keep track of when you started and finished a project.
Login Tracking - Marxio Login Logger Screenshot
Authors Website: (Abandoned?)
Download: Get this Free Portable Login Tracking Tool