Top 20 NuGet u2f Packages

Provides cross platform FIDO U2F for .NET
This repository provides functionality for working with the server side aspects of the U2F protocol on Windows.
MonoSign U2F/FIDO Client Library
Provides ICryptoService for U2F.Core using BouncyCastle for Linux support.
FIDO Alliance Universal 2nd Factor (U2F) implementation for .Net
A library for communicating with U2F devices over USB.