
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: Rulers is a free, open source screen ruler app for Windows, Mac, and Linux. It provides customizable rulers, guides, and tools for measuring objects on your screen with pixel perfect accuracy. Useful for designers, developers, and anyone needing to measure items digitally.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API