Trello
Kanban boards whose card descriptions render markdown.
Trello is the classic kanban board tool, and markdown works inside it: card descriptions, comments, and checklist items render emphasis, links, lists, headings, and code written in markdown syntax.
Teams that document in markdown elsewhere can paste content into cards and keep its structure, rather than losing formatting to a plain-text field.
Similar markdown tools
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imdone
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Posts and comments across Reddit are written in markdown.
Slack
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Things
Award-winning task manager with markdown in its notes.
Try markdown before you install anything
The free online markdown editor gives you a live side-by-side preview in the browser — a quick way to test the syntax Trello uses, with nothing to download or sign up for.
Open the editor