
Description: Qalculate! is an open-source multi-purpose calculator application for Linux, Windows, and macOS. It includes functions for algebra, calculus, statistics, physics, engineering, finances, and more. With its customizable interface and built-in unit converter, Qalculate! is a powerful tool for students, scientists, and engineers.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: CrossCalc is a powerful spreadsheet application and calculation tool for Windows. It includes over 400 built-in functions for science, engineering, statistics, and finance.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API