Open Source 2FA Authentication Projects
Tools for implementing two-factor authentication to add an extra layer of security to user accounts and logins.
2FAuth
Self-hosted web app to manage your Two-Factor Authentication (2FA) accounts and generate TOTP and HOTP codes from any browser.
Authy
Authentik
Open source identity provider and SSO solution that replaces Auth0 and Okta with a self-hostable, flexible authentication platform.
Auth0
Ente
Open-source, end-to-end encrypted cloud for photos, videos, and 2FA secrets — a privacy-first Google Photos and iCloud Photos alternative.
Google Photos
OTPHub
Simple OTP app for desktop and mobile.
Google Authenticator
Open Authenticator
Free, open-source cross-platform TOTP authenticator with self-hostable sync backend, built with Flutter.
Google Authenticator
Toofer
Toofer is a local-first, web-based two-factor authentication app that stores your TOTP secrets directly in your browser. Private, simple, fully offline.
Google Authenticator
Trezur
Fast, secure, light-weight web-app to generate TOTP and HOTP tokens.
Google Authenticator