Notepad

Glow allows you to view Markdown files right within the terminal. This is another charm bracelet application written in Go.

Installation:

# macOS (with MacPorts)
sudo port install glow

Usage:

glow file.md

You can also view files online:

glow https://host.tld/file.md

via this source. To view the full repository visit here.

If you prefer markdown reader written in Swift, there is mdless.