MarkEdit
TextEdit, if it spoke Markdown.
About MarkEdit
A free, open-source Markdown editor that opens instantly, stays lightweight and behaves like a proper Mac app.
Install MarkEdit
Download it from the links above, or install it from the Terminal:
brew install --cask markedit Questions about MarkEdit
Is MarkEdit free?
Yes. MarkEdit is free and open source under the MIT license. The source code is on GitHub at MarkEdit-app/MarkEdit.
Where can I download MarkEdit for Mac?
Download MarkEdit from the developer's website (markedit.app) and GitHub. MacWorthy links only to official sources.
Can I install MarkEdit from the Terminal?
Yes. With Homebrew, run brew install --cask markedit.
What are good alternatives to MarkEdit?
Other writing & notes apps for Mac worth a look are Markdown Preview (open source), iA Writer (one-time purchase), Ulysses (subscription) and Bear (free + pro).
Other writing & notes apps like MarkEdit
Markdown Preview
Read .md files as formatted documents.
iA Writer
Focused Markdown writing, nothing more.
Ulysses
A complete writing environment for long work.
Bear
Beautiful notes, linked and tagged.
NotePlan
Tasks, calendar and notes in plain Markdown.
Cirrus
A Markdown note that pops up over whatever you are doing.
Inkstone
A WYSIWYG editor for the Markdown files already on your Mac.
Clearly
A Markdown editor that opens plain .md files.