
Description: DjView4 is a free, open-source viewer for DjVu documents. It allows viewing DjVu files, organizing pages as a continuous document, zooming and rotating pages, searching text, copying text snippets, saving annotations, and printing.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: DjVu Viewer is a free, open source software for viewing DjVu documents. DjVu is a file format designed for scanned documents and books. DjVu Viewer allows fast rendering of high-resolution DjVu images and supports various features like page scrolling, zooming, searching text, copying text snippets to clipboard.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API