The layout is based on the default Mac Qwerty US layout with differences made only to write the Esperanto characters Ĉ Ĝ Ĥ Ĵ Ŝ Ŭ, ĉ ĝ ĥ ĵ ŝ ŭ.


Keyboard with no modifier keys pressed:



Keyboard upon pressing the "Option ( ⌥ )" key. Esperanto characters are highlighted in red:

Keyboard upon pressing the "Option ( ⌥ ) + Shift" keys. Esperanto characters are highlighted:

Installation

After unzipping, you'll find two files, move both these to: ' <Your Home Folder>/Library/Keyboard Layouts/ '. If you wish to install the keyboard layout system wide, so every user on your computer has access to the layout, move the files to ' /Library/Keyboard Layouts/ '. Once copied, log out and back in again, open System Preferences > International, Input Menu and tick the Esperanto box like so:

That's it!

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Notes - If anyone would prefer a keyboard being based on a different layout, for example English UK with the pound (£) sign and other symbols being in their respective positions, let me know and I'll see what I can do.