head to head · open source
Authentik vs fido2-net-lib
Authentik has 26,220 GitHub stars, 2,102 forks, 1,074 open issues and last shipped today. fido2-net-lib has 1,458 stars, 201 forks, 20 open issues and last shipped yesterday. Authentik leads on adoption by 1,698% (26,220 vs 1,458 stars). Authentik is written in Python under a custom or non-standard licence; fido2-net-lib is written in C# under MIT. Authentik has attracted 8% as many forks as stars, fido2-net-lib 14%. Authentik was the more recently maintained of the two, and both are self-hostable with no licence fee.
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 | fido2-net-lib | |
|---|---|---|
| GitHub stars | ★ 26K | ★ 1.5K |
| License | Custom / other | MIT |
| Written in | Python | C# |
| Last push | 2026-11-04 | 2026-11-03 |
| Forks | ⑂ 2.1K | ⑂ 201 |
| 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 fido2-net-lib if
- You want the fido2-net-lib feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches C#
- You evaluated both and fido2-net-lib fits your workflow better
About Authentik
What is authentik? authentik is an open source Identity Provider (IdP) for modern SSO. It supports SAML, OAuth2/OIDC, LDAP, RADIUS, and more, designed for self hosting from small labs to large production clusters. Our enterprise offering is available for organizations to securely replace existing IdPs such as Okta, Auth0, Entra ID, and Ping Identity for robust, large scale identity management. Installation Docker Compose: recommended for small/test setups. See the documentation. Kubernetes (Helm Chart): recommended for larger setups. See the documentation and the Helm chart repository. AWS CloudFormation: deploy…
read the full Authentik overview →
About fido2-net-lib
Passkeys FIDO2 .NET Library (WebAuthn) A fully working and battle tested library for passkeys (FIDO2 and WebAuthn) on .NET Releases & Change log 💡 Bitwarden Passwordless API The quickest way to get started with FIDO2 and WebAuthn is with the Bitwarden Passwordless API. It's free up to 10k users and a faster way to start using passkeys on your website or mobile app. Bitwarden Passwordless.dev supports .NET Framework as well as the latest .net 8+. Get started with passwordless.dev Purpose Our purpose is to enable passwordless sign in for all .NET apps (asp, core, native). To provide a developer friendly and well…
read the full fido2-net-lib overview →
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Frequently asked questions
Is Authentik or fido2-net-lib more popular?
Authentik has 26,220 GitHub stars and fido2-net-lib has 1,458. Authentik has the larger community by that measure.
Are Authentik and fido2-net-lib free?
Both are open source. Authentik has no licence declared in this registry, and fido2-net-lib is licensed under MIT. Both are free to self-host.
What is the difference between Authentik and fido2-net-lib?
Authentik is written in Python and fido2-net-lib in C#. 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 fido2-net-lib?
Choose Authentik if you want the larger community (26,220 stars) or its Custom / other licence terms. Choose fido2-net-lib if its feature set, stack or MIT licence fits better. Both are self-hostable.