2FAuth vs Open Authenticator
Comparing two open source alternatives to Authy and Microsoft Authenticator and Google Authenticator . Use the comparison below to decide which one fits your needs.
2FAuth
AGPL-3.0Self-hosted web app to manage your Two-Factor Authentication (2FA) accounts and generate TOTP and HOTP codes from any browser.
Open Authenticator
GPL-3.0Free, open-source cross-platform TOTP authenticator with self-hostable sync backend, built with Flutter.
Side-by-side comparison
2FAuth | Open Authenticator | |
|---|---|---|
| License | AGPL-3.0 | GPL-3.0 |
| Self-hostable | Yes | Yes |
| GitHub Stars | 4,115 | 89 |
| Forks | 294 | 16 |
| Open Issues | 22 | 6 |
| Last Commit | Jul 12, 2026 | Aug 15, 2026 |
| First Released | May 15, 2019 | Mar 25, 2024 |
| Categories | ||
| Tags |
Similar open source alternatives
Authentik
Open source identity provider and SSO solution that replaces Auth0 and Okta with a self-hostable, flexible authentication platform.
Auth0Trezur
Fast, secure, light-weight web-app to generate TOTP and HOTP tokens.
Google Authenticator
OTPHub
Simple OTP app for desktop and mobile.
Google AuthenticatorToofer
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