About the App

• App name: commonmark
• App description: Strongly specified highly compatible implementation of Markdown
• App website: http://commonmark.org

Install the App

1. Press Command+Space and type Terminal and press enter/return key.
2. Copy and paste the following command in Terminal app:
   /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
   and press enter/return key. Wait for the command to finish. If you are prompted to enter a password, please type your Mac user's login password and press ENTER. Mind you, as you type your password, it won't be visible on your Terminal (for security reasons), but rest assured it will work.
3. Now, copy/paste and run this command to make brew command available inside the Terminal: echo 'eval "$(/opt/homebrew/bin/brew shellenv)"' >> ~/.zprofile
4. Copy and paste the following command:
   brew install commonmark

Done! You can now use commonmark.

MacDown: Free & Open Source Markdown Editor

We recommend MacDown for editing Markdown files on Mac. MacDown is a free and open source Markdown editor for Mac which support live preview, export to pdf and html among other features.
Here is a video with instructions to install MacDown and showcases it’s features: