wasavi for Firefox

wasavi is a clone of vi editor and extends a TEXTAREA element. It is a vi editor for any web page. You can edit all TEXTAREA(s) through the interface of vi. If you focus to TEXTAREA element and press Ctrl+Enter, TEXTAREA changes to vi editor. wasavi ported incremental-searching, multi leveled undo or redo, and text objects from vim. wasavi can load from and save to dropbox.