Buttercup vs Vaultwarden
| Tagline | Modern, open-source password manager with a beautiful cross-platform UI | Lightweight Bitwarden-compatible server written in Rust, perfect for self-hosting |
| Category | Password Managers & Secrets | Password Managers & Secrets |
| Replaces | 1Password, LastPass, Dashlane | 1Password, LastPass, Dashlane |
| GitHub stars | 4k | 63k |
| Language | TypeScript | Rust |
| License | GPL-3.0 | AGPL-3.0 |
| Self-host difficulty | 1/5 Effortless | 2/5 Easy |
| Deploy options | Manual | Docker Docker Compose Kubernetes Manual |
| Managed hosting | ||
| Last updated | 1 month ago | 22 days ago |
| View repo | View repo |
Where each falls short
The honest trade-offs — what you give up with each, versus the proprietary tools they replace.
Buttercup
- No native server component; vault sync relies on third-party storage providers
- No emergency access or vault recovery mechanism built in
- Team sharing and organizational features are absent
Vaultwarden
- Unofficial reimplementation; not supported or endorsed by Bitwarden, so API changes can break compatibility
- No official mobile/desktop apps of its own; depends entirely on Bitwarden's clients
- Some enterprise/SSO and event-logging features of paid Bitwarden are absent or only partially implemented
- You own all security hardening, backups, and TLS termination yourself
Bottom line
Choose Buttercup if you want the lower-effort setup; choose Vaultwarden for the larger community and ecosystem. Vaultwarden has seen more recent development. Open each guide below for deploy steps and the full feature gap.
Vaultwarden
Lightweight Bitwarden-compatible server written in Rust, perfect for self-hosting