
Description: HackMD is a real-time collaborative markdown editor and note-taking web application. It allows teams to write, edit, review and publish markdown documents together in real-time. Features include GitHub/GitLab integration, code blocks, task lists, and drawing.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

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: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API