Home Tips Customizing About hook Get plugins Writing plugins For Vim users, there is Vimperator. For Emacs users, there is KeySnail. Installation Download keysnail.xpi from the link below. After that, drag keysnail.xpi and drop it to the Firefox or Thunderbird. Then you can install the KeySnail following instructions. Or from the command line, $ wget https://github.com/mooz/keysnail/raw/master/key