Vaultwarden
Unofficial, Bitwarden-compatible server written in Rust that you self-host.
Our verdict
What it does well
- Open source (AGPL-3.0) and self-hosted, so your vault stays on your server
- Works with the official Bitwarden clients
- Container images published on ghcr.io, Docker Hub and quay.io
Where it falls short
- You run, secure and back up the server yourself
- Web vault needs HTTPS; the README suggests a reverse proxy
- Not associated with Bitwarden, Inc.; support goes to Vaultwarden, not Bitwarden
Vaultwarden describes itself as an alternative server implementation of the Bitwarden Client API, written in Rust and compatible with the official Bitwarden clients. The repository's own description calls it an unofficial Bitwarden compatible server, formerly known as bitwarden_rs. Its README says: 'This project is not associated with Bitwarden or Bitwarden, Inc.'
The README lists a nearly complete implementation of the Bitwarden Client API, including the personal vault, Send, attachments, organizations, two-factor authentication options, emergency access and an admin backend. The recommended install is via container images; the web vault needs HTTPS and a secure context.
Vaultwarden has no plans or prices. It is licensed AGPL-3.0, and you pay only for whatever hardware or hosting you run it on. The README warns that the maintainers cannot be held liable for data loss and recommends regular backups.
Vaultwarden compared
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Last updated 17 October 2026. Facts checked against the official site on 16 October 2026. How we make money