# Bitwarden > Bitwarden is an open-source password management service that stores sensitive information such as website credentials in a secondary encrypted vault. It provides cross-platform applications for mobile, desktop, and web browsers, utilizing a zero-knowledge encryption model. - URL: https://optimly.ai/brand/bitwarden - Slug: bitwarden - BAI Score: 78/100 - Archetype: Challenger - Category: Cybersecurity