1)   Screen Protractor 4.0
The Screen Protractor allows you to easily and quickly measure any angle on the screen to the nearest Degree or Radian. The Screen Protractor floats above any other application so you can measure any angle on your screen.

 2)   Cardio Calipers 3.3
The Cardio Calipers provide a fast and accurate way to measure electrocardiograms on a computer screen with pixel perfect accuracy. The Cardio Calipers are the perfect solution for EKG measurement, to measure Heart Rate, and any part of the complex.

 3)   Pixel Port 1.1
Pixel Port is a magnifier, an eight-way color picker, a ruler, and a protractor. All features reside on a single compact floating palette.