
Description: Screen Calipers is a screen ruler app used for measuring sizes and distances on a computer screen. It provides digital calipers, protractors, rulers, and other tools for precise on-screen measurements.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: MB-Ruler is a free screen ruler software for Windows. It allows users to measure objects on their screen with a customizable ruler overlay. Useful for measuring website elements and graphics design.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API