
Description: DWG FastView is a free CAD viewer software that allows users to view and print AutoCAD DWG and DXF files. It has basic measuring and markup tools for annotation.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: de·caff Viewer is a free, open-source image viewer and editor for Windows. It includes basic image editing tools and supports a wide variety of image formats.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API