
Description: Pixel Ruler is a simple online tool used to measure sizes and distances in pixels on a screen. It provides a customizable ruler overlay on the screen to quickly get pixel dimensions of UI elements or images.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: JR Screen Ruler is a free on-screen pixel ruler for Windows. It allows you to accurately measure objects on your screen in pixels, centimeters, or inches. Useful for web designers and developers.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API