
Description: The R Commander is a basic-statistics graphical user interface for R, a free software environment for statistical computing and graphics. It provides data manipulation, statistical tests, graphing and model fitting through simple menus and dialog boxes.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Six Sigma Calculator is a free web-based tool that allows users to perform common Six Sigma statistical calculations. It includes functions for process capability analysis, statistical power analysis, DPMO/yield rate calculations, sample size estimation, and more.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API