
Description: Apache OpenOffice Calc is a free, open source spreadsheet software that is similar to Microsoft Excel. It offers features for calculations, graphing, pivot tables, and database management.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Sheetster is a spreadsheet software designed to be a free, easy-to-use alternative to Excel. It provides core spreadsheet functionality for managing data, calculations, charting, and reporting.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API