
Description: ODF Viewer is a free, open source viewer for OpenDocument Format (ODF) files. It allows users to easily view ODF text documents, spreadsheets, and presentations without needing the original creating applications. As a lightweight program focused solely on ODF viewing, it offers a fast, simple way to access ODF files across platforms.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

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: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API