On-screen Ruler - The Portable Freeware Collection
Amazon.com : Westcott Products - Westcott - Jeweltone Plastic Ruler, 12, Assorted Transparent Colors - Sold As 1 Each - Brighten your desktop with assorted transparent jeweltone colors. - Hang-up hole. -
Pixel ruler! by Radic Lam - (Windows Apps) — AppAgg
ScreenRuler | GNOME Coder
Amazon.com: Multi-Purpose Desktop Ruler: Mini Photo Frames, Digital Clock, 8-Inch Ruler with Built-in Magnifier - Convenient and Practical Tool for Home, Office, and School Use - Blue : Office Products
Screen ruler
Ruler - pixel ruler for on-screen measurements
JR Screen Ruler: On Screen Ruler helps you perform precise measurement on your monitor | Evinco Knowledge Sharing
How to add a ruler to the screen on Windows 10
Screen Ruler download | SourceForge.net
zzRuler : Free On-Screen Ruler App for Windows
Microsys - Micro Ruler
Millimeter Pro - screen ruler - App su Google Play
Measure Anything On The Screen In Windows With ScreenRuler