ProveIt is a user script (and gadget) that makes it easy to find, edit, add, and cite references in Wikipedia articles.
It provides a graphical interface for editing, adding, and citing references. The ProveIt toolbar displays at the bottom of the Wikipedia text editor (for articles only).
Nothing annoys this user more than when a teacher says that Wikipedia isn't reliable and that anybody can enter anything completely untrue that'll stay.
This user is irked by vandals and their inherent evil.
This editor is a Labutnum of the Encyclopedia and is entitled to display this Book of Knowledge with Coffee Cup Stain, Cigarette Burn, Chewed Broken Pencil, Sticky Note, Bookmark, and Note from Jimbo.
