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UltimateKEYS Keyboard Layout (Windows/Linux)

International US QWERTY layout with AltGr (Right Alt) dead keys via AutoHotkey (Win), MSKLC (Win) and XKB/Xmodmap + .XCompose (Linux).
GitHub Release  GitHub Testing

UltimateKEYS keeps all keys exactly like US QWERTY. Holding down Right Alt or Right Alt + Shift makes other diacritics and symbols accessible.
With the ‘Compose key’ (CP), even wider amounts of diacritics and symbols are accessible.

It also shares some similarities with “US-International”. However, this project attempts to solve the most common difficulties from this counterpart.
One of those :  the quotes issue, with ' and " now accessible as usual (or expected).
Further on, UltimateKEYS attempts to harmonize languages with Latin-based alphabets on US QWERTY, and has borrowed some aspects from EurKEY (also GPL v3).

Important - Security Warning

=> Win/Linux :  Only use “BASIC LATIN” characters (codes 32 to 126) for your Windows, Microsoft Live and Linux passwords !
Otherwise, it might be impossible to type any Unicode character higher than “Basic Latin” at the login screen/prompt (due to a different keyboard configuration) ! => ACCOUNT LOCKOUT
=> Win/Linux :  ALWAYS make your system passwords VISIBLE during modification !


Keyboard Layout Image

UltimateKEYS - Keyboard Layout Image.png

-> CP key (blue) :  Compose key (Multi_key), in combination with Right Alt or AltGr.

Sources available on


Download the Latest Release


Documentation, History and Changes from EurKEY


Installation - Windows


Installation - Linux


License of UltimateKEYS

UltimateKEYS is Free Software and is licensed under the GNU General Public License Version 3.
This layout has borrowed some aspects from EurKEY, by Steffen Brüntjen.
This website and its contents are licensed under the GNU Free Documentation License Version 1.3.


Enjoy and have fun ! - Veel plezier ! 😎

Please, give this website a try in dark mode (browser/system settings), it really looks marvel[l]ous !
Note :  ‘AltGr’ is an abbreviation for ‘Alt(ernate) Graph’.  GitHub Release  GitHub Testing