Vim Outliner is a Vim plugin that make it behave as a full-
featured outliner of the likes of MaxThink, Grandview,
ThinkTank, and more. It has its own add-ons for checkboxes
and hoisting and is compatible with Vim spell-checkers like
vimspell and engspeak. There are several scripts available
from other to convert text outlines to HTML pages, Docbook
files, and Open Office Impress files.