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	24,933	89
Forks	1,935	16
Open Issues	1,155	6
Last Commit	Aug 18, 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

Authentik24,933

Open Authenticator

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