Using OpenOffice.org as an Outliner - Linux Magazine Online: "Although OpenOffice.org Writer can't replace a dedicated outlining application, there are two ways to turn the word processor into a lightweight outliner. The easiest one is to press the Numbering On/Off button in the main toolbar or the F12 key. This turns the current line in the documents into a numbered entry and displays the Bullets and Numbering context toolbar which offers basic outlining tools."