
Description: LibriVox is a non-profit volunteer organization that produces free public domain audiobooks. Volunteers record chapters of books which are then published in the MP3 format on the LibriVox website for anyone to download and listen to.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Project Gutenberg is an online library containing over 60,000 free eBooks. The eBooks are available in epub, Kindle, HTML and simple text formats. The library focuses on public domain content.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API