head to head · open source
Authentik vs voidauth
Authentik has 25,707 GitHub stars, 2,036 forks, 1,074 open issues and last shipped yesterday. voidauth has 2,843 stars, 124 forks, 60 open issues and last shipped 3 days ago. Authentik leads on adoption by 804% (25,707 vs 2,843 stars). Authentik is written in Python under a custom or non-standard licence; voidauth is written in TypeScript under AGPL-3.0. Authentik has attracted 8% as many forks as stars, voidauth 4%. Authentik was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 3 topic tags (authentication, oidc, oidc-provider), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| Authentik | voidauth | |
|---|---|---|
| GitHub stars | ★ 26K | ★ 2.8K |
| License | Custom / other | AGPL-3.0 |
| Written in | Python | TypeScript |
| Last push | 2026-09-24 | 2026-09-22 |
| Forks | ⑂ 2.0K | ⑂ 124 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Authentik if
- You weight community size — 26K stars and counting
- You want the Custom / other license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick voidauth if
- You want the voidauth feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches TypeScript
- You evaluated both and voidauth fits your workflow better
About Authentik
Authentik is an open source Identity Provider (IdP) built for modern single sign on (SSO) workflows. It operates in the identity and access management (IAM) ecosystem, offering a self hosted alternative to commercial solutions like Auth0, Okta, and Entra ID. The project is written in Python and distributed under a mixed MIT/CC BY SA/enterprise license model, with a core open source offering and an enterprise tier for advanced features and support.
read the full Authentik overview →
About voidauth
VoidAuth is an open source, self hosted single sign on and user management provider, written in TypeScript under the AGPL 3.0 licence, that places one authentication service in front of the self hosted applications of homelab operators, self hosters and small teams.
read the full voidauth overview →
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Frequently asked questions
Is Authentik or voidauth more popular?
Authentik has 25,707 GitHub stars and voidauth has 2,843. Authentik has the larger community by that measure.
Are Authentik and voidauth free?
Both are open source. Authentik has no licence declared in this registry, and voidauth is licensed under AGPL-3.0. Both are free to self-host.
What is the difference between Authentik and voidauth?
Authentik is written in Python and voidauth in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Authentik or voidauth?
Choose Authentik if you want the larger community (25,707 stars) or its Custom / other licence terms. Choose voidauth if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.