There are at least two orgmode plugins for vim. I don't know how complete they are, though. Orgmode is plain-text formatted, so you don't need a plugin to read

There are at least two orgmode plugins for vim. I don't know how complete they are, though. Orgmode is plain-text formatted, so you don't need a plugin to read it. However, the plugin gives you the ability to fold headings automatically, format tables automatically, and handle indenting and insertion of headings more easily.