
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: Madoko is an open-source Markdown editor and processor for creating professional and scientific documents. It has advanced features like citations, diagrams, math typesetting, and export to PDF and HTML.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API