Development

This software is released under the AGPL 3.0 license.

The software is an open-source implementation of the BitWarden API, making it compatible with all BitWarden official apps.  An active VaultWarden developers is an employee of BitWarden and contributes in their free time.  BitWarden is itself open-source and involved in the community.

You can learn more about how to contribute to VaultWarden through their documentation. 

The lead developer also accepts sponsorships.