
Description: HedgeDoc is an open-source collaborative markdown editor and note-taking web application. It allows real-time collaboration on markdown documents and diagramming, similar to HackMD or CodiMD. It is lightweight, customizable, and self-hosted.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: MarkUpDown is a lightweight, open-source Markdown editor for Windows, macOS and Linux. It provides a simple, minimal interface for writing Markdown with live previews and easy export to HTML and PDF formats.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API