There are 2 repositories under ctap topic.
FIDO2 .NET library for FIDO2 / WebAuthn Attestation and Assertion using .NET
Convert your Android phone to any USB device you like! USB Gadget Tool allows you to create and activate USB device roles, like a mouse or a keyboard. 🛠🛡📱
🗝️ Background program that skips the phone option and chooses the USB security key in Windows FIDO/WebAuthn prompts.
CTAP2 authenticator implementation in Zig
Teaching myself passkeys while hopefully getting most of it right!