
Description: RedCrab Calculator is a free, open-source desktop calculator app for Windows. It provides standard calculator functions as well as advanced math and programming features like variables, functions, matrix calculations, unit conversions, and more.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: JMathEdit is a lightweight open source formula editor for writing mathematical equations and expressions. It allows users to create formulas with a graphical interface similar to Microsoft Equation Editor.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API