
Description: The Chrome PDF Viewer Plug-in is an add-on for the Chrome web browser that allows users to view PDF files directly in the browser. It replaces the standard PDF viewer with a custom one that has additional features like tabbed browsing for PDFs.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Okular is a versatile document viewer software for KDE. It supports viewing PDFs, EPUBs, ODT, and other document formats. Okular allows annotating, highlighting, commenting on documents as well as filling forms.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API