
Description: Preview is a free and open-source document viewer application for macOS. It allows quick viewing of multiple file formats including images, PDFs, Markdown files, Office documents, and more. Preview has basic editing capabilities and annotation tools for PDFs.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: ImageMagick is an open-source software suite for creating, editing, composing, and converting bitmap images. It can resize, flip, mirror, rotate, distort, shear and transform images, adjust image colors, apply various special effects, draw text, lines, polygons, ellipses and Bézier curves.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API