GitHub - vishalsinghdeepak/Google-Chrome-Extension-Ruler: Developed chrome extension, Ruler, that helps in measuring arbitrary shapes on the webpage and can be easily integrated into any other browser.
Top Chrome Extensions for Software Testers - DZone
MB-Ruler - the triangular screen ruler
The Grid Ruler Chrome Extension | Tom McFarlin
Download Page Ruler Chrome Extension - Blogwings
How to enable view of rulers in Chrome DevTools? - Stack Overflow
GitHub - ideayuye/web-ruler-chrome-extensions: measure the length of web page
5 Free Ruler Extensions For Google Chrome
5 Ruler Extensions For Chrome
5 Free Ruler Extensions For Google Chrome
Grid Ruler
Chrome Page Ruler doesn't work with Axure 9 Beta - Axure RP 9 - Axure Forums
5 Chrome Extensions for Designers | Sessions College