ARTIS Screen Ruler

ARTIS Screen Ruler

Screen Ruler is a desktop utility displaying rulers on top of the windows.
The program is available on Mac Informer but it is discontinued on the developer's site
 
License type: Shareware
No longer supported by the developer

Screen Ruler is a desktop utility displaying translucent rulers on top of all the windows on your screen.
It provides horizontal and vertical rulers. Background may become translucent (but not the ticks). Display units: pixels, inches, centimeters, and picas; ticks on top and bottom (i.e. left and right) of the ruler; rulers have no window shadow; display the position of the mouse relative to the ruler origin; anchor vertical and horizontal ruler; additional pixel-by-pixel moving with the cursor keys
-You also choose your own ruler color.

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