
Description: Groff is an open source text processor and document formatting system similar to troff. It is used to format Unix manual pages and possesses powerful text formatting capabilities for producing publication quality output.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: DocBook is an XML-based markup language used for writing technical documentation. It provides a semantic markup system for marking up content such as chapters, sections, paragraphs, figures, and tables.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API