Vaultwarden is described as 'Self-hosted, lightweight password server compatible with Bitwarden clients, written in Rust, supporting organizations, attachments, and two-factor authentication' and is a popular password manager in the security & privacy category. There are more than 25 alternatives to Vaultwarden for a variety of platforms, including Android, iPhone, Windows, Google Chrome and Mac apps. The best Vaultwarden alternative is Bitwarden, which is both free and Open Source. Other great apps like Vaultwarden are Ente Auth, Proton Pass, AliasVault and NewPass.