
Description: Pdf Viewer Plus is a free PDF viewer, editor and annotation tool. It allows you to view, edit, sign, and annotate PDF documents on Windows devices. Key features include tabbed PDF reading, editing text and images, adding signatures and comments, highlighting and underlining text.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Evince is a document viewer for multiple document formats. It is simple, fast and designed to integrate well with the GNOME desktop environment. Evince supports common formats like PDF, PostScript, DjVu, and TIFF.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API