head to head · open source
Keycloak vs authpass
Keycloak has 37,657 GitHub stars, 9,129 forks, 3,292 open issues and last shipped yesterday. authpass has 2,810 stars, 292 forks, 167 open issues and last shipped 2 months ago. Keycloak leads on adoption by 1,240% (37,657 vs 2,810 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 | ★ 38K | ★ 2.8K |
| License | Apache-2.0 | GPL-3.0 |
| Written in | Java | Dart |
| Last push | 2026-11-02 | 2026-09-15 |
| Forks | ⑂ 9.1K | ⑂ 292 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Keycloak if
- You weight community size — 38K 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
Open Source Identity and Access Management Add authentication to applications and secure services with minimum effort. No need to deal with storing users or authenticating users. Keycloak provides user federation, strong authentication, user management, fine grained authorization, and more. Help and Documentation Documentation User Mailing List Mailing list for help and general questions about Keycloak Join keycloak for general questions, or keycloak dev on Slack for design and development discussions, by creating an account at Reporting Security Vulnerabilities If you have found a security vulnerability, please…
read the full Keycloak overview →
About authpass
AuthPass.app Open Source Password Manager for mobile and desktop AuthPass Password Manager based on Flutter for all platforms. Keepass 2.x (kdbx 3.x) compatible. Mac Desktop: Mac App Store or check the releases Android: Google Play Store iOS: App Store Linux Desktop: Snapcraft Store, Flathub flatpak Check out our blog post for installation instructions Windows Desktop: Microsoft Store or Windows Install Guide Browser/Web: Contribute to AuthPass Need ideas how to contribute? Visit the forum for many different ways to contribute. If you like AuthPass, and want to contribute. First, spread the word ; ) Writing…
read the full authpass overview →
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Frequently asked questions
Is Keycloak or authpass more popular?
Keycloak has 37,657 GitHub stars and authpass has 2,810. 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 (37,657 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.