
Description: Calculairum is a free, open-source calculator application for Windows. It provides standard, scientific, programmer, date calculation and conversion tools. Key features include customizable hotkeys, history, variables and unit conversions.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: GeoGebra is free and multi-platform dynamic mathematics software for all levels of education that joins geometry, algebra, spreadsheets, graphing, statistics and calculus in one easy-to-use package. It can be used for interactive learning and teaching mathematics.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API