British Left Hash Keyboard Layout for OS X
This is a keyboard layout for OS X that changes the standard British keyboard layout to place the '#' key at the top left of the keyboard, replacing the '§' on the keyboard.
Read more in this blog post:
In the public domain. Use as you will. It may not work for you.
THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.