AXKB this Qt application to adjust layouts by xkb. 
Part of the code and interface window settings taken from KXKB and Kkbswitch.
Completely absent on to the kde-libs. 
Originally developed as a complement to the Antico DE. 
But just as well work on other WM and DE. 
Depends only on Qt and X-server
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License GPLv2

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Instalation
in directory with source code do 

mkdir build 
cd build 
cmake ..
make