buttercup-core
The premium Open Source alternative to 1Password
🎯 Best for:Developers building custom password management solutions
What is buttercup-core?
Replaces proprietary password management backends like 1Password. Provides a JavaScript-based core for building secure, cross-platform vault applications with AES-256 encryption.
Tech Stack
TypeScriptSecurity & Passwords
Why buttercup-core?
- • Platform agnostic core
- • Strong AES-256 encryption
- • Active Node.js ecosystem support
Limitations
- • Requires frontend implementation
- • No built-in sync service
- • Developer-centric documentation
11/2/2025
Last Update
61
Forks
33
Issues
MIT
License
Financial Leak Detected
Stop the "SaaS Tax"
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Competitor Cost
-$1,440
/ year (est. based on 1Password)
Self-Hosted
$0
/ year
Team Size10 Users
150+
SAVE 100%