
Description: MacDown is a lightweight, open-source Markdown editor for macOS. It has a clean interface and supports Markdown syntax highlighting, live preview, custom CSS, and exporting documents to HTML or PDF format.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Zen Editor is a minimalist writing app for distraction-free writing and note-taking. It has a clean interface with only the essential formatting tools, allowing writers to focus on their content rather than appearance.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API