2fa

The easiest, most secure way to use WireGuard and 2FA.

💚 End-to-end encrypted cloud for everything.

The Single Sign-On Multi-Factor portal for web apps. OpenID Certified™ and Post-Quantum Cryptography Ready.

ZITADEL - Identity infrastructure, simplified for you.

A free, secure and open source app for Android to manage your 2-step verification tokens.

Modern authentication, on your terms. Open source alternative to Auth0, Clerk, WorkOS, Stytch.

The tiniest OpenID Certified™ authorization and authentication server you have ever seen.

Authenticator generates 2-Step Verification codes in your browser.

📱 Two-Factor Authentication (2FA) client for Android + Wear OS

A Web app to manage your Two-Factor Authentication (2FA) accounts and generate their security codes

Python One-Time Password Library

One time passcode Input. Accessible & unstyled.

One Time Password (OTP) / 2FA for Node.js and Browser - Supports HOTP, TOTP and Google Authenticator

Your data, your control. Fully open source, authentication and authorization. No lock-ins. Deployment in Railway in 120 seconds || Spin a docker image as a micro-service in your infra. Built in login page and Admin panel out of the box.

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

Open source Auth0/Keycloak alternative. Passkeys, SSO, MFA, passwordless, biometric login. Self-hosted or cloud. Enterprise-ready for SaaS & mobile apps

Google Authenticator PAM module

A One Time Password Authentication package, compatible with Google Authenticator.

🔐 multi factor authentication system (2FA, MFA, OTP, FIDO Server)

Extract one time password (OTP) secrets from QR codes exported by two-factor authentication (2FA) apps such as "Google Authenticator". The exported QR codes from authentication apps can be captured by camera, read from images, or read from text files. The secrets can be exported to JSON or CSV, or printed as QR codes to console.