Mattermost team here,<p>We had dozens of community members upvote a feature to add markdown and we added it because it made sense.<p>Now we really love it and can&#x27;t go back: <a href="http:&#x2F;&#x2F;www.mattermost.org&#x2F;open-source-slack-alternative-adopts-markdown&#x2F;" rel="nofollow">http:&#x2F;&#x2F;www.mattermost.org&#x2F;open-source-slack-alternative-adop...</a><p>Headings have a lot of uses for emphasizing text, and there&#x27;s fun uses too like creating different sized emoticons: <a href="http:&#x2F;&#x2F;www.mattermost.org&#x2F;wp-content&#x2F;uploads&#x2F;2015&#x2F;09&#x2F;sheep.png" rel="nofollow">http:&#x2F;&#x2F;www.mattermost.org&#x2F;wp-content&#x2F;uploads&#x2F;2015&#x2F;09&#x2F;sheep.p...</a><p>##### :sheep:<p>#### :sheep:<p>### :sheep:<p>## :sheep:<p># :sheep: