
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: PCalc is an advanced calculator app for iOS and macOS. It provides extensive math and conversion features beyond the basic calculator, including unit conversions, formulas, variables, statistics, and programmability.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API