
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: DjVuLibre is an open source DjVu viewer and editor software for Windows, Linux, and macOS. It can open, view, and edit DjVu documents with advanced features like text highlighting, thumbnail previews, search, and more.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API