There are 3 repositories under topre topic.
Open source universal PCB for the Realforce R1 family of keyboards.
Leopold FC980C replacement keyboard controller
Mechanical Keyboard Related Resources
HHKB Pro 2 Keyboard Controller Board with RGB strip support.
a collection of keyboard resources I made/collected
Software to configure Topre Realforce USB Keyboards (GX1)
Small script that has dfu-programmer packaged with it, allows you to reflash your keyboard without needing to use another keyboard to type in the command line. Gives you a 15 sec pause to put your keyboard into flash/reset/boot mode.
⌨️ .ahk script to add missing keys for using a nordic layout with the Happy Hacking Keyboard Pro 2.