If you're using Github and/or Pandoc for things, you can pretty much drop org-mode in as a replacement. It doesn't even require emacs :-) In general, I find or

If you're using Github and/or Pandoc for things, you can pretty much drop org-mode in as a replacement. It doesn't even require emacs :-) In general, I find org-mode about as easy as Markdown, but with support for things like cross-references that are sadly lacking in standard Markdown.