head to head · open source
pocket-id vs fido2-net-lib
pocket-id has 9,230 GitHub stars, 312 forks, 98 open issues and last shipped yesterday. fido2-net-lib has 1,452 stars, 202 forks, 20 open issues and last shipped 2 days ago. pocket-id leads on adoption by 536% (9,230 vs 1,452 stars). pocket-id is written in Go under BSD-2-Clause; fido2-net-lib is written in C# under MIT. pocket-id has attracted 3% as many forks as stars, fido2-net-lib 14%. pocket-id was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (passkeys), 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
| pocket-id | fido2-net-lib | |
|---|---|---|
| GitHub stars | ★ 9.2K | ★ 1.5K |
| License | BSD-2-Clause | MIT |
| Written in | Go | C# |
| Last push | 2026-09-19 | 2026-09-18 |
| Forks | ⑂ 312 | ⑂ 202 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick pocket-id if
- You weight community size — 9.2K stars and counting
- You want the BSD-2-Clause license terms
- Your stack matches Go
- 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 pocket-id
Pocket ID is a self hosted, OpenID Connect Certified™ and OAuth 2.0 provider, written in Go, that authenticates users with passkeys and passwords never, aimed at anyone who wants single sign on for their own applications without standing up a heavyweight identity platform.
read the full pocket-id overview →
About fido2-net-lib
fido2 net lib is an open source, MIT licensed C library that provides a FIDO2 server and WebAuthn relying party implementation for .NET, aimed at developers who want passkey registration and sign in in ASP.NET Core, .NET Core and native .NET applications without writing the credential validation logic themselves.
read the full fido2-net-lib overview →
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Frequently asked questions
Is pocket-id or fido2-net-lib more popular?
pocket-id has 9,230 GitHub stars and fido2-net-lib has 1,452. pocket-id has the larger community by that measure.
Are pocket-id and fido2-net-lib free?
Both are open source. pocket-id is licensed under BSD-2-Clause and fido2-net-lib under MIT. Neither carries a licence fee.
What is the difference between pocket-id and fido2-net-lib?
pocket-id is written in Go 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, pocket-id or fido2-net-lib?
Choose pocket-id if you want the larger community (9,230 stars) or its BSD-2-Clause licence terms. Choose fido2-net-lib if its feature set, stack or MIT licence fits better. Both are self-hostable.