KeePassXC vs Vaultwarden

Vaultwarden is a self-hosted Bitwarden server, focusing on server-side storage; KeePassXC is a desktop client only.

Which to pick

Offline encrypted password vault
Integrations with Windows, macOS or Linux (on KeePassXC's list, not Vaultwarden's)

What it is: KeePassXC:KeePassXC is a free, open-source, cross-platform password manager that stores credentials in an offline encrypted file.; Vaultwarden:Vaultwarden is a lightweight, self-hosted server compatible with Bitwarden’s API, written in Rust.
Best for: KeePassXC:Offline encrypted password vault; Vaultwarden:Self-hosted Bitwarden-compatible password storage
Who it’s for: KeePassXC:Individuals and teams needing high-security offline password storage.; Vaultwarden:Teams and individuals who want to run their own password manager without using Bitwarden’s cloud service.
Pricing: KeePassXC:Free; Vaultwarden:Open source
Open source: KeePassXC:Yes, 29,119 GitHub stars; Vaultwarden:Yes, 68,665 GitHub stars
Works with: KeePassXC:Windows, macOS, Linux; Vaultwarden:Docker

Offline encrypted storage. All passwords are kept in an encrypted file stored locally, never on remote servers.
Cross-platform support. Runs on Windows, macOS and Linux with consistent UI and functionality.
Auto-type and autofill. Automatically fills credentials into applications and browsers.
Open source GPLv3. Source code is publicly available on GitHub for inspection and contribution.
ANSSI Security Visa. Certified by the French National Cybersecurity Agency for meeting security standards.
No ads or subscriptions. Completely free with no tracking, cloud services, or paid tiers.
Import/export capabilities. Supports importing from Bitwarden and other formats, and can store attachments and notes.
Customizable shortcuts. Configurable keyboard shortcuts and quick unlock options on macOS and Linux.

Bitwarden-compatible API. Provides the same API as Bitwarden, allowing existing Bitwarden clients to connect without changes.
Rust implementation. Built in Rust for performance and safety, using minimal resources.
Docker support. Official Docker images enable quick deployment on any container platform.
Two-factor authentication. Supports email, authenticator apps, YubiKey and Duo for added security.
SSO and organization support. Includes single sign-on, organization keys and user management similar to Bitwarden.
Extensible configuration. Environment-file based settings let you customize storage, email, and security options.

Is KeePassXC or Vaultwarden free?+

Yes, both are free, and Vaultwarden is open source.

Is KeePassXC or Vaultwarden open source?+

Yes, both are open source: KeePassXC (keepassxreboot/keepassxc on GitHub) and Vaultwarden (dani-garcia/vaultwarden on GitHub, AGPL-3.0 license).

Do KeePassXC and Vaultwarden integrate with the same tools?+

Their integration lists don't overlap: KeePassXC lists Windows, macOS and Linux; Vaultwarden lists Docker.

KeePassXC

Listed by DevHunt

Vaultwarden

Listed by DevHunt

Based on each tool's website and DevHunt data. Details may change; check the official sites.