Open-source firmware for custom keyboard controllers, supporting AVR and Arm USB microcontrollers and many keyboard designs.
Industrial design files for Keychron keyboards and mice. 100+ models with CAD assets in STEP, DXF, DWG, and PDF. Source-available, with commercial use allowed for original compatible accessories within the license terms.
ZMK Firmware Repository
A modern, easy-to-use, and feature-rich keyboard firmware written in Rust.