
Description: R is a free, open-source programming language and software environment for statistical analysis, data visualization, and scientific computing. It is widely used by statisticians, data miners, data analysts, and data scientists for developing statistical software and data analysis.
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