head to head · open source
Keycloak vs authpass
Keycloak has 36,859 GitHub stars, 8,942 forks, 3,292 open issues and last shipped today. authpass has 2,791 stars, 282 forks, 167 open issues and last shipped 4 days ago. Keycloak leads on adoption by 1,221% (36,859 vs 2,791 stars). Keycloak is written in Java under Apache-2.0; authpass is written in Dart under GPL-3.0. Keycloak has attracted 24% as many forks as stars, authpass 10%. 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 | authpass | |
|---|---|---|
| GitHub stars | ★ 37K | ★ 2.8K |
| License | Apache-2.0 | GPL-3.0 |
| Written in | Java | Dart |
| Last push | 2026-09-19 | 2026-09-15 |
| Forks | ⑂ 8.9K | ⑂ 282 |
| 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 authpass if
- You want the authpass feature set and don't need the biggest community
- You prefer the GPL-3.0 license terms
- Your stack matches Dart
- You evaluated both and authpass 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 authpass
AuthPass is an open source, GPL 3.0 licensed password manager built with Flutter and Dart that opens KeePass 2.x KDBX databases on mobile, desktop, and web, intended for people who want their credentials in a portable file they control rather than in a vendor hosted vault.
read the full authpass overview →
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Frequently asked questions
Is Keycloak or authpass more popular?
Keycloak has 36,859 GitHub stars and authpass has 2,791. Keycloak has the larger community by that measure.
Are Keycloak and authpass free?
Both are open source. Keycloak is licensed under Apache-2.0 and authpass under GPL-3.0. Neither carries a licence fee.
What is the difference between Keycloak and authpass?
Keycloak is written in Java and authpass in Dart. 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 authpass?
Choose Keycloak if you want the larger community (36,859 stars) or its Apache-2.0 licence terms. Choose authpass if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.