
Description: GitBook is an open source web-based platform for writing and hosting documentation and books with Markdown. It allows teams to collaboratively edit documentation in real time and publish formatted books.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Sphinx is an open-source documentation generator and static site generator. It uses reStructuredText as its markup language and is commonly used to create technical documentation for software projects. Sphinx supports output formats like HTML, PDF, ePub and more.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API