
Description: VisualRuler is a free screen ruler software that allows users to measure objects on their screen. It provides several customizable rulers and tools for measuring distances, areas, angles, and aligning items.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Air Measure is an air quality monitor and measurement app for iOS devices. It uses the built-in sensors in iPhones and iPads to measure indoor air quality, temperature, humidity, and light levels. The app displays real-time readings and graphs and can log and share data.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API