Nordic ISO layout with faster access to cursor movement keys and brackets.
§ when Shift or Command are held. I like to setup Command+Esc to moving focus to next window (MacOS preferences, Keyboard / Shortcuts / Keyboard).Caps Lock or FN can be held to access the modifier layer.J/K/L/I, and Page Up/Page Down on U/O.8/9 (MacOS).D (MacOS).S (MacOS).B, increase/decrease on V/B).To build the firmware, run make tada68:peippo:flashbin.
Detailed instructions at https://github.com/qmk/qmk_firmware/tree/master/keyboards/tada68