
Description: LibreOffice Viewer is a free and open source office suite that supports viewing, editing, and exporting documents in Microsoft Office formats. It includes word processing, spreadsheet, presentation, drawing, database, and formula editors.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Office Documents Viewer is a free program that allows you to view, print, and convert Microsoft Office files like Word, Excel, and PowerPoint without needing to have Office installed. It supports the latest Office formats and is lightweight and easy to use.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API