
Description: KRuler is an open source screen ruler utility for Linux. It provides horizontal and vertical rulers to measure distances on the screen. Useful for designers and developers to quickly measure UI elements.
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