Bitwarden Password Manager

Bitwarden is an open-source password manager that securely stores and manages passwords, passkeys, credit cards, and sensitive data. Founded in 2016 by Kyle Spearrin (CEO) and Michael Crane (CTO), Bitwarden is headquartered in Santa Barbara, California. The company raised $100 million from PSG Equity and Battery Ventures in 2022, reaching a $650 million valuation. Serves over 10 million users. Key features: zero-knowledge encryption: all data is encrypted locally using AES-256 bit encryption, PBKDF2 SHA-256 key derivation, and Argon2id. Servers never see unencrypted data. Password vault: store unlimited passwords, passkeys, usernames, URIs, secure notes, credit cards, identities, and custom fields. Organize with folders, collections, and tags. Password generator: create strong passwords with customizable length, character types, and passphrases. Autofill: automatically fill credentials on websites and apps. Browser extensions for Chrome, Firefox, Safari, Edge, Brave, Vivaldi. Cross-platform: native apps for Windows, macOS, Linux, iOS, Android. CLI for automation. Password sharing: securely share vault items with trusted contacts. Bitwarden Send for encrypted temporary sharing with expiration and view limits. Bitwarden Authenticator: integrated TOTP generator for two-factor authentication codes. Emergency access: designate trusted contacts who can request vault access in emergencies with configurable wait periods. Self-hosting: deploy on your own server for complete data control. Docker deployment supported. Password auditing: built-in tools to check password strength, identify weak or reused passwords, and check against Have I Been Pwned breach database. Enterprise features: directory sync (Active Directory, LDAP, Azure AD, SCIM), role-based access control, custom permissions, audit logs, and enterprise policies including master password requirements and two-factor enforcement. API: comprehensive REST API and SDKs for programmatic access. TypeScript/C#. GPL-3.0.