#2fa

Authsignal .NET SDK

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Generate OTP with expiry for PHP without using Database

A One Time Password Authentication package, compatible with Google Authenticator for Laravel

Authentication system for Node.js

Go library designed to simplify the server-side implementation of the WebAuthn (FIDO2) protocol for passwordless authentication.

Two-factor authentication for Laravel Nova 5: TOTP, passkeys, email codes, enforcement policies and step-up re-auth.

Authentication provider for Microsoft AD FS to use with privacyIDEA.

A lightweight PHP library for generating and validating TOTP authentication codes and QR codes compatible with Google Authenticator, Microsoft Authenticator, Authy, 1Password, Bitwarden, and other RFC 6238 authenticator apps.

Python One-Time Password Library

The official PHP API Client for seven.io

A desktop app for generating and viewing one-time passwords from Aegis Authenticator backups.

A .NET implementation of TOTP and HOTP for things like two-factor authentication codes.

A secure authentication module to manage user access in a Streamlit application.

go-idento — a complete, embedded identity & authentication framework for Go (Golang). Users, roles, RBAC, password hashing, JWT (HS256/RS256/ES256 + JWKS), TOTP & SMS two-factor, OAuth/OIDC logins, sessions. Pluggable stores: GORM, pgx, sqlc.

A small and easy-to-use one-time password generator library for Java implementing RFC 4226 (HOTP) and RFC 6238 (TOTP).

Two-Factor Authentication for all your users out-of-the-box.

A utility to view one-time passwords generated from Aegis Authenticator backups.

Passlib fork