
Description: EtherCalc is an open-source web-based spreadsheet software. It allows real-time collaboration on spreadsheets from multiple users similar to Google Sheets. It is fast, lightweight, easy to use, and works well for basic spreadsheet needs.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Simple Spreadsheet is a free, open source spreadsheet software similar to Microsoft Excel. It provides basic spreadsheet features like cell formatting, formulas, charts and pivot tables, but lacks some of Excel's more advanced features.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API