Seems a little strange to concentrate so much on keyboard layouts rather than switching to a split or ergonomic keyboard....
http://patorjk.com/keyboard-layout-analyzer/#/main
I've got resources for the various keyboard layouts on Github:
https://github.com/melling/ErgonomicNotes/blob/master/keyboa...
Some information on split and tenting keyboards can be found here:
https://h4labs.wordpress.com/2015/07/16/the-model-01-an-heir...