
Description: Calvertr is an open-source alternative to Microsoft Excel designed for creating spreadsheets, analyzing data, and performing calculations. It offers a familiar spreadsheet interface with many of the same features as Excel.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Yahoo! Finance's Currencies Center provides free currency converter tools, financial news headlines, historical exchange rates and live exchange rate data updates. It offers easy access to currency pairs and cross rates.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API