head to head · open source
hydra vs KeePassDX
hydra has 17,646 GitHub stars, 1,619 forks, 98 open issues and last shipped 3 months ago. KeePassDX has 7,613 stars, 425 forks, 541 open issues and last shipped 4 days ago. hydra leads on adoption by 132% (17,646 vs 7,613 stars). hydra is written in Go under Apache-2.0; KeePassDX is written in Kotlin under GPL-3.0. hydra has attracted 9% as many forks as stars, KeePassDX 6%. KeePassDX 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
| hydra | KeePassDX | |
|---|---|---|
| GitHub stars | ★ 18K | ★ 7.6K |
| License | Apache-2.0 | GPL-3.0 |
| Written in | Go | Kotlin |
| Last push | 2026-07-29 | 2026-11-01 |
| Forks | ⑂ 1.6K | ⑂ 425 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick hydra if
- You weight community size — 18K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Go
- 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 hydra
Chat · Discussions · Newsletter · Docs · Try Ory Network · Jobs Ory Hydra is a hardened, OpenID Certified OAuth 2.0 Server and OpenID Connect Provider optimized for low latency, high throughput, and low resource consumption. It connects to your existing identity provider through a login and consent app, giving you absolute control over the user interface and experience. What is Ory Hydra? Why Ory Hydra OAuth2 and OpenID Connect: Open Standards OpenID Connect Certified Deployment options Use Ory Hydra on the Ory Network Self host Ory Hydra Quickstart Who is using Ory Hydra Ecosystem Ory Kratos: Identity and User…
read the full hydra 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 hydra or KeePassDX more popular?
hydra has 17,646 GitHub stars and KeePassDX has 7,613. hydra has the larger community by that measure.
Are hydra and KeePassDX free?
Both are open source. hydra is licensed under Apache-2.0 and KeePassDX under GPL-3.0. Neither carries a licence fee.
What is the difference between hydra and KeePassDX?
hydra is written in Go 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, hydra or KeePassDX?
Choose hydra if you want the larger community (17,646 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.