
Description: FreeFileViewer is a free, open source file viewer for Windows with support for over 100 file types. It allows users to view documents, images, videos, audio files, compressed files, and more without requiring the original software used to create them.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: qAllInOne is an open-source software suite that combines features for basic image and document viewing and editing. It includes tools like a simple image editor, PDF reader, media player, and file manager.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API