KeePassDX vs Rubywarden

A side-by-side comparison of two self-hosted password managers options — licensing, setup difficulty, resource needs, and what each one replaces.

Not the right match-up?
FeatureKeePassDXRubywarden
Deploy effortRead-the-docs projectRead-the-docs project
Health score91 · Excellent11 · At risk
StatusActively maintainedArchived
CategoryPassword ManagersPassword Managers
LicenseGPL-3.0MIT
LanguageKotlinRuby
Setup difficultyEasyMedium
Min. RAM64 MB128 MB
Deploymentbinarybare-metal, source
GitHub stars★ 7,355★ 587
First released20172017
Replaces1Password, LastPassBitwarden, 1Password

What are KeePassDX and Rubywarden?

KeePassDX

KeePassDX is a free and open-source password manager for Android that is compatible with KeePass KDBX databases. It offers a modern Material interface, biometric unlock and form auto-fill.

  • KDBX-compatible Android client
  • Biometric and fingerprint unlock
  • Auto-fill service integration
  • Material design interface

Read the full KeePassDX guide →

Rubywarden

Rubywarden is an unofficial, self-hosted server that implements the Bitwarden API in Ruby, allowing Bitwarden clients to sync against a private backend. It is a lightweight alternative server for personal and small deployments.

  • Bitwarden-compatible API
  • Works with official clients
  • Lightweight Ruby stack
  • SQLite storage

KeePassDX vs Rubywarden: key differences

The biggest difference is maintenance: Rubywarden's repository is archived and no longer developed, while KeePassDX is actively maintained. KeePassDX is written in Kotlin, while Rubywarden is built with Ruby. Licensing differs — GPL-3.0 for KeePassDX versus MIT for Rubywarden. KeePassDX is the lighter option, starting around 64 MB of RAM against 128 MB for Rubywarden. KeePassDX has the considerably larger community, at 7,355 GitHub stars versus 587.

Why pick each one

Choose KeePassDX if…

  • Clean modern mobile UI
  • Fully offline

Watch out for

  • Android only
KeePassDX details

Choose Rubywarden if…

  • Simple personal deployment
  • Compatible with Bitwarden apps

Watch out for

  • Explicitly experimental
  • Not recommended for large teams
Rubywarden details

Frequently asked questions

Is KeePassDX or Rubywarden better?

KeePassDX is the stronger all-round pick: it has both the larger community and the simpler easy setup. Consider Rubywarden if its specific feature set fits your needs better.

Are KeePassDX and Rubywarden free and open-source?

Yes. KeePassDX is licensed under GPL-3.0 and Rubywarden under MIT. Both can be self-hosted at no software cost.

Can I run KeePassDX and Rubywarden with Docker?

KeePassDX: check the project docs for container support. Rubywarden: check the project docs for container support.

Which is lighter on resources, KeePassDX or Rubywarden?

KeePassDX has the smaller minimum footprint at 64 MB of RAM, compared to about 128 MB for Rubywarden. Real-world usage depends on library size, user count, and enabled features.

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