multiOTP open source strong two factor authentication PHP library, OATH certified, with TOTP, HOTP, Mobile-OTP, YubiKey, SMS, QRcode provisioning, etc.
multiOTP Credential Provider is a V2 Credential Provider for Windows 7/8/8.1/10/11/2012(R2)/2016/2019/2022/2025 with options like RDP only, UPN name support and push token support with multiOTP token app