The Screen Calipers are the unique on-screen measurement tool, that let you measure anything on your computer screen with ultimate accuracy. The Screen Calipers floats above any other application so you can measure anything on your screen.
Screen-Spy freeware records a screenshot every 30 seconds (adjustable) while remaining completely hidden from view in stealth. Access the hidden interface through secret methods. Playback activity like a movie with an easy VCR like interface.