Open Authenticator vs Toofer
Comparing two open source alternatives to Google Authenticator and Authy and Microsoft Authenticator. Use the comparison below to decide which one fits your needs.

Open Authenticator
GPL-3.0Free, open-source cross-platform TOTP authenticator with self-hostable sync backend, built with Flutter.
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.
Side-by-side comparison
Open Authenticator | ||
|---|---|---|
| License | GPL-3.0 | — |
| Self-hostable | Yes | Yes |
| GitHub Stars | 90 | 90 |
| Forks | 16 | 7 |
| Open Issues | 6 | — |
| Last Commit | Aug 15, 2026 | Mar 17, 2026 |
| First Released | Mar 25, 2024 | Jan 13, 2026 |
| Categories | ||
| Tags |
GitHub stars over time
GitHub stars over time
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
2FAuth
Self-hosted web app to manage your Two-Factor Authentication (2FA) accounts and generate TOTP and HOTP codes from any browser.
Authy
OTPHub
Simple OTP app for desktop and mobile.
Google Authenticator