
Description: handyCalc is a free, open-source calculator app for Windows. It provides standard, scientific, programmer, date calculation, and converter modes for convenient math and unit conversions. handyCalc is lightweight, customizable, and supports copying math results.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Getmathcharts.com is a free online graph and chart creation tool allowing users to easily generate customizable charts, graphs, and plots for presentations and analysis. It has a simple and intuitive interface for rapidly building visualizations.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API