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Mattermost is an open source enterprise messaging and team collaboration application. It’s like Slack, but with excellent Markdown support. In fact, Mattermost provides exactly the type of Markdown support you want to see in a messaging application. You can type messages in Markdown or copy and paste Markdown-formatted text into the message field — it works exactly the way you’d expect it to. The application uses a fork of the marked Markdown processor.

Mattermost Markdown Support

Mattermost provides support for the following Markdown elements.

Element Support Notes
Headings Yes
Paragraphs Yes
Line Breaks Yes You can also press the Shift and Return keys to go to the next line.
Bold Yes
Italic Yes
Blockquotes Yes
Ordered Lists Yes
Unordered Lists Yes
Code Yes
Horizontal Rules Yes
Links Yes
Images Yes
Tables Yes
Fenced Code Blocks Yes
Syntax Highlighting Yes
Footnotes No
Heading IDs No
Definition Lists No
Strikethrough Yes
Task Lists Yes
Emoji (copy and paste) Yes
Emoji (shortcodes) Yes
Highlight No
Subscript No
Superscript No
Automatic URL Linking Yes
Disabling Automatic URL Linking Yes

See Also