
Description: GNU Units is a command line utility program that converts between different systems of units. It can handle metric, US customary, and imperial units for length, mass, volume, and more. The program is useful for scientific, engineering, and math computations that require unit conversions.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: ConvertAll is a free online unit conversion tool that allows users to quickly convert between thousands of units in various categories like length, volume, temperature, speed, etc. It has a simple interface for fast conversions on the go.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API