Authentik vs Open Authenticator

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

Authentik

MIT

Open source identity provider and SSO solution that replaces Auth0 and Okta with a self-hostable, flexible authentication platform.

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Open Authenticator

GPL-3.0

Free, open-source cross-platform TOTP authenticator with self-hostable sync backend, built with Flutter.

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Side-by-side comparison

	Authentik	Open Authenticator
License	MIT	GPL-3.0
Self-hostable	Yes	Yes
GitHub Stars	25,934	93
Forks	2,068	16
Open Issues	1,126	8
Last Commit	Oct 12, 2026	Aug 15, 2026
First Released	Dec 30, 2019	Mar 25, 2024
Categories	2FA Authentication Single Sign-On	2FA Authentication
Tags	#authentication #authorization #kubernetes #self hosted #sso	#2fa #authentication #cross-platform #totp

GitHub stars over time

Authentik25,934

Open Authenticator

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