
Description: Graph.tk is a free online graph and diagram creation tool that allows users to easily create flowcharts, uml diagrams, network diagrams, mockups, floor plans, and more. It has an intuitive drag and drop interface with various templates and shapes.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Google Calculator is a free online calculator provided by Google. It offers basic and scientific calculator functions for quick math calculations and conversions.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API