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.
Mattermost provides support for the following Markdown elements. The application uses a fork of the marked Markdown processor.
|Line Breaks||Yes||You can also press the Shift and Return keys to go to the next line.|
|Fenced Code Blocks||Yes||Syntax highlighting is supported.|
|Automatic URL Linking||Yes|
|Disabling Automatic URL Linking||Yes|
As an added bonus, Mattermost provides support for several obscure elements.
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