
Description: ConvertCalculator is a free online tool to convert between various units of measurement for things like length, volume, speed, temperature, pressure, area, and more. It allows seamless conversion between hundreds of units.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: CalcMaker is a spreadsheet software designed as an alternative to Microsoft Excel. It provides a simple interface with basic spreadsheet functions for managing tables, performing calculations, and creating charts.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API