nautilus-actions-extra
        advanced search, audio convert, calculate size, avconvert, check file type, checksum view and save, convert gif png jpg iso
        gedit it as root/user, run script as root/user, hide/unhide, iconv (utf8-arabic windows),install bin,mount/unmount ISO, Optimize PNG, nautilus mass renamer , verify Checksums, set wallpaper, open as root, open in Terminal, image resize and rotate, emblemize
nautilus-refresh
        adds refresh to nautilus drop menu
drop-share
        share / unshare to dropbox