
Description: doXiview is a free, open source PDF viewer and editor. It allows you to view, annotate, and edit PDF documents easily. Key features include annotating and commenting tools, form editing, and encryption support.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Tesseract is an open source optical character recognition (OCR) engine. It can recognize text in images and convert it into editable text. It supports over 100 languages and can handle distorted or low-quality images.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API