
Description: Etherpad is a highly customizable open source online text editor that allows multiple users to edit documents collaboratively in real time. It is ideal for teams that need to work together on documents and brainstorm ideas.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Fidus Writer is a free and open source online collaborative document editor. It allows real-time collaboration for writing documents like research papers, reports, books with features including comments, tracked changes, and export options.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API