Leo Editor
(because there is no toplevel comment saying this):<p>it is emacs&#x27; org mode on steroids. If you don&#x27;t like org mode, move along.<p>...And some of the side effects of the steroids are already showing (e.g. &quot;you can embed html in markdown&quot;. Really? So it is now an html renderer with markdown &#x27;shortcuts&#x27;?)