Assembly Line

Bitwarden Server vs Vaultwarden

Bitwarden Server and Vaultwarden are both password manager software. Bitwarden Server is open source under a license set out in its repository, with 21k GitHub stars. Vaultwarden is open source under AGPL-3.0, with 70k GitHub stars.

Which to pick

Pick Bitwarden Server when
Your organisation wants Bitwarden password management but must host the vault on its own infrastructure.
Pick Vaultwarden when
You want to self-host password management for a family or small team on minimal hardware.

Side by side

What it does

The backend API, database and Docker deployment for Bitwarden, the password manager whose apps, browser extensions and CLI sync to it.

An unofficial, lightweight Bitwarden-compatible password manager server written in Rust that works with the official Bitwarden apps and extensions.

Watch out

Self-hosting runs many containers on SQL Server, organisation features still need a paid licence, and parts of the code are under the source-available Bitwarden License; Vaultwarden is a lighter unofficial alternative.

Unofficial and not audited like Bitwarden's own server, and you are responsible for backups and security of your vaults.

Ready for

Production-ready (both)

Runs as

Self-hosted server and cloud service

Self-hosted server

Built with

C#, ASP.NET Core, SQL Server and Docker

Rust, Rocket, SQLite and PostgreSQL

Source code

Open source, license unclear on GitHub

Open source, AGPL-3.0 (network copyleft)

What the license allows

GitHub could not read the license. Check it in the repository before reusing any code.

Use inside your business is unrestricted. If you change it and let customers use it over the internet, you must publish your changes.

How widely known

21k GitHub stars

70k GitHub stars

How established

Established: started 11 years ago, latest release v2026.10.1.

Established: started 8 years ago, latest release 1.37.5.

Other comparisons

More password managers

Every password manager product and project, ranked

Both sides were judged on 2026-11-06 from each project's README and GitHub data. License, age and popularity lines are worked out directly.