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#github 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 
Category:Arduino