
Description: EBookDroid is an open source document viewer for Android devices. It supports PDF, DjVu, XPS, FB2 and EPUB file formats, allowing users to view ebooks, documents and magazines on their Android smartphone or tablet.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: MJ PDF Reader is a free, lightweight PDF viewer for Windows. It allows you to view, print, and annotate PDF documents. Key features include tabbed browsing, search, bookmarks, and basic annotation tools.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API