head to head · open source
Keycloak vs KeePassDX
Keycloak has 37,657 GitHub stars, 9,129 forks, 3,292 open issues and last shipped yesterday. KeePassDX has 7,601 stars, 423 forks, 541 open issues and last shipped 2 days ago. Keycloak leads on adoption by 395% (37,657 vs 7,601 stars). Keycloak is written in Java under Apache-2.0; KeePassDX is written in Kotlin under GPL-3.0. Keycloak has attracted 24% as many forks as stars, KeePassDX 6%. 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 | KeePassDX | |
|---|---|---|
| GitHub stars | ★ 38K | ★ 7.6K |
| License | Apache-2.0 | GPL-3.0 |
| Written in | Java | Kotlin |
| Last push | 2026-11-02 | 2026-11-01 |
| Forks | ⑂ 9.1K | ⑂ 423 |
| 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 KeePassDX if
- You want the KeePassDX feature set and don't need the biggest community
- You prefer the GPL-3.0 license terms
- Your stack matches Kotlin
- You evaluated both and KeePassDX 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 KeePassDX
Android KeePassDX Lightweight password safe and manager for Android , KeePassDX allows editing encrypted data in a single file in KeePass format and fill in the forms in a secure way. Features Passkeys for authentication and local storage of private keys . Biometric recognition for fast unlocking (fingerprint / face unlock / …). One Time Password management (HOTP / TOTP) for two factor authentication (2FA). Autofill for easy form filling with passwords. Magikeyboard to efficiently fill in any field. Create encrypted database files . Organisation of credentials by entry and in group trees. Allows opening and…
read the full KeePassDX overview →
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Frequently asked questions
Is Keycloak or KeePassDX more popular?
Keycloak has 37,657 GitHub stars and KeePassDX has 7,601. Keycloak has the larger community by that measure.
Are Keycloak and KeePassDX free?
Both are open source. Keycloak is licensed under Apache-2.0 and KeePassDX under GPL-3.0. Neither carries a licence fee.
What is the difference between Keycloak and KeePassDX?
Keycloak is written in Java and KeePassDX 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 KeePassDX?
Choose Keycloak if you want the larger community (37,657 stars) or its Apache-2.0 licence terms. Choose KeePassDX if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.