
Description: Zooniverse is a platform for people-powered research. It hosts dozens of projects across a range of disciplines, from physics to humanities, where volunteers can contribute to real academic research by classifying images, transcribing text, or identifying features of interest.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Distributed Proofreaders is a web-based project that facilitates volunteers proofreading and formatting public domain e-texts. Its goal is to make e-books easily available for Project Gutenberg.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API