head to head · open source
Keycloak vs KeyPass
Keycloak has 37,039 GitHub stars, 8,981 forks, 3,292 open issues and last shipped today. KeyPass has 786 stars, 111 forks, 31 open issues and last shipped 17 days ago. Keycloak leads on adoption by 4,612% (37,039 vs 786 stars). Keycloak is written in Java under Apache-2.0; KeyPass is written in Kotlin under MIT. Keycloak has attracted 24% as many forks as stars, KeyPass 14%. Keycloak 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
| Keycloak | KeyPass | |
|---|---|---|
| GitHub stars | ★ 37K | ★ 786 |
| License | Apache-2.0 | MIT |
| Written in | Java | Kotlin |
| Last push | 2026-09-29 | 2026-09-12 |
| Forks | ⑂ 9.0K | ⑂ 111 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Keycloak if
- You weight community size — 37K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Java
- You value the larger contributor base for long-term maintenance
pick KeyPass if
- You want the KeyPass feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Kotlin
- You evaluated both and KeyPass fits your workflow better
About Keycloak
Keycloak is an open source identity and access management server, written in Java and licensed under Apache 2.0, that adds authentication and access control to applications and services, and it is intended for teams and organisations that want to own their user store rather than rent one.
read the full Keycloak overview →
About KeyPass
KeyPass is an MIT licensed, fully offline Android password manager written in Kotlin that keeps credentials on the device rather than on a vendor's servers, and it is intended for Android users who want to store passwords, one time codes and autofill data without granting an app network access.
read the full KeyPass overview →
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Frequently asked questions
Is Keycloak or KeyPass more popular?
Keycloak has 37,039 GitHub stars and KeyPass has 786. Keycloak has the larger community by that measure.
Are Keycloak and KeyPass free?
Both are open source. Keycloak is licensed under Apache-2.0 and KeyPass under MIT. Neither carries a licence fee.
What is the difference between Keycloak and KeyPass?
Keycloak is written in Java and KeyPass in Kotlin. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Keycloak or KeyPass?
Choose Keycloak if you want the larger community (37,039 stars) or its Apache-2.0 licence terms. Choose KeyPass if its feature set, stack or MIT licence fits better. Both are self-hostable.