KeePass vs Vaultwarden
A side-by-side comparison of two self-hosted password managers options — licensing, setup difficulty, resource needs, and what each one replaces.
Vaultwarden
Lightweight Bitwarden-compatible password server
| Feature | KeePass | Vaultwarden |
|---|---|---|
| Deploy effort | Read-the-docs project | ≈5-minute setup |
| Category | Password Managers | Password Managers |
| License | GPL-2.0 | AGPL-3.0 |
| Language | C# | Rust |
| Setup difficulty | Easy | Easy |
| Min. RAM | 64 MB | 128 MB |
| Deployment | binary, bare-metal | docker |
| GitHub stars | ★ 1,000 | ★ 68,080 |
| First released | 2003 | 2018 |
| Replaces | 1Password, LastPass | 1Password, LastPass, Dashlane |
What are KeePass and Vaultwarden?
KeePass
KeePass is a free, open-source password manager that stores credentials in a strongly encrypted local database. It is the original KeePass implementation that spawned an entire ecosystem of compatible clients.
- Strongly encrypted local database
- Portable, no installation required
- Extensive plugin ecosystem
- KDBX format used industry-wide
Vaultwarden
Vaultwarden is a lightweight, unofficial Bitwarden-compatible server written in Rust that works with all official Bitwarden clients. It targets self-hosters who want Bitwarden without heavy resource use. It is deployed via Docker.
- Compatible with all Bitwarden clients
- Tiny resource footprint
- Organizations and sharing
- Includes premium-equivalent features
KeePass vs Vaultwarden: key differences
KeePass is written in C#, while Vaultwarden is built with Rust. Licensing differs — GPL-2.0 for KeePass versus AGPL-3.0 for Vaultwarden. KeePass is the lighter option, starting around 64 MB of RAM against 128 MB for Vaultwarden. KeePass is the more established project (first released 2003), while Vaultwarden arrived in 2018. Vaultwarden has the considerably larger community, at 68,080 GitHub stars versus 1,000. Vaultwarden lists first-class Docker deployment; KeePass does not.
Why pick each one
Choose KeePass if…
- Completely offline and private
- Time-tested and audited
Watch out for
- Dated Windows-centric interface
Choose Vaultwarden if…
- Extremely lightweight
- Works with official apps
- Easy to deploy
Watch out for
- Unofficial, community project
- Self-hosting security is on you
Frequently asked questions
Is KeePass or Vaultwarden better?
Neither is universally better. Vaultwarden has the larger community; both share a easy setup difficulty, so the decision comes down to features and licensing.
Are KeePass and Vaultwarden free and open-source?
Yes. KeePass is licensed under GPL-2.0 and Vaultwarden under AGPL-3.0. Both can be self-hosted at no software cost.
Can I run KeePass and Vaultwarden with Docker?
KeePass: check the project docs for container support. Vaultwarden: yes.
Which is lighter on resources, KeePass or Vaultwarden?
KeePass has the smaller minimum footprint at 64 MB of RAM, compared to about 128 MB for Vaultwarden. Real-world usage depends on library size, user count, and enabled features.