Buttercup vs SOPS
| Tagline | Modern, open-source password manager with a beautiful cross-platform UI | Encrypt files in Git with KMS/age/PGP — secrets management without a server |
| Category | Password Managers & Secrets | Password Managers & Secrets |
| Replaces | 1Password, LastPass, Dashlane | HashiCorp Vault |
| GitHub stars | 4k | 22k |
| Language | TypeScript | Go |
| License | GPL-3.0 | MPL-2.0 |
| Self-host difficulty | 1/5 Effortless | 1/5 Effortless |
| Deploy options | Manual | Manual |
| Managed hosting | ||
| Last updated | 1 month ago | 5 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
SOPS
- Not a centralized secrets server: no dynamic secrets, leasing, revocation, or audit log like Vault
- Requires an external key provider (KMS/age/PGP) and disciplined key management
- No UI, access policies, or web dashboard
- Suited to config-file secrets in Git, not runtime secret brokering
Bottom line
Both are a similar lift to self-host; choose SOPS for the larger community and ecosystem. SOPS has seen more recent development. Open each guide below for deploy steps and the full feature gap.