Keyboard

venabili
https://github.com/alx741/venabili and https://venabili.sillybytes.net/

keybon
https://hackaday.io/project/176239-keybon-adaptive-macro-keyboard. eybon is a macro keyboard with configurable layouts and functions. Integrated into each of its nine tactile buttons is a 0.66” OLED screen. Depending on which app is active on the connected computer, Keybon switches to the suitable key layout thanks to its companion software. Standalone Mode as a USB HID device, Companion-Software for customization and app-switching ,Tactile switches ,0.66” 64x48 px OLED displays, Fully 3D-printed case and key mechanism See Arduino code for code repo. CoretechR Keybon

kinesis
https://kinesis-ergo.com/keyboards/advantage2-keyboard/

split
https://www.youtube.com/watch?v=acJ6gufBN_A build diy keyboard with either half strapped to either leg with velcro, allows typing in a more natural position. The idea is patented, thus you won't find commercial solutions?

links
https://suricrasia.online/blog/turning-a-keyboard-into/ and https://news.ycombinator.com/item?id=37421104. See Libgen https://www.wikihow.com/Fix-a-Keyboard-That-Has-the-Wrong-Characters https://www.youtube.com/watch?v=CAPskOjiFx4 win10 fix "@ (uk layout, choose us qwerty layout to get @ on 2) Software