Apereo CAS - Identity & Single Sign On for all earthlings and beyond.

An implementation of the FIDO U2F server protocol in PHP

FIDO/FIDO2 Universal 2 Factors (U2F) support for PHP

A server-side U2F (Universal Second Factor) library in Elixir

Simple erlang implementation of the server side of the Universal 2nd Factor (U2F) open authentication standard

U2F key protocol over RawHID

Web Authentication for PHP

Symfony Bundle for FIDO U2F Support

U2F Server

U2F library in PHP