KeeWeb vs Vaultwarden: which one to choose in 2026?
Both are open source alternatives to LastPass. We compare license, tech stack and features to help you decide which fits your team best.
| KeeWeb | Vaultwarden | |
|---|---|---|
| Category | Password Managers | Password Managers |
| License | MIT | GPL-3.0 |
| GitHub stars | 10k | 40k |
| Tech stack | JavaScript, Electron | Rust, SQLite |
| Replaces | LastPass | 1Password, LastPass |
Vaultwarden has more GitHub stars, which usually indicates a larger community (not necessarily that it's the best option for your use case).
KeeWeb
Web client for KeePass vaults, a lightweight alternative to LastPass.
Pros
- Builds on the KeePass format, very mature and well-audited
Things to consider
- It's a client, not a server: sync depends on another backend
Vaultwarden
Lightweight Rust Bitwarden server, a self-hosted alternative to 1Password.
Pros
- The lightest, most popular self-hosted password manager
Things to consider
- Not the official Bitwarden server, it's a community reimplementation
Key features
KeeWeb
- Compatible with KeePass .kdbx vaults
- Connects to Dropbox, Google Drive or your own WebDAV
- Works offline as a PWA
Vaultwarden
- Compatible with all official Bitwarden clients
- Minimal resource usage (great for small VPS)
- Own admin panel