Buttercup
MacSecure, Open-Source Password Management for Everyone
Overview
Buttercup is an open-source password manager focused on security and simplicity. It stores passwords, notes, and credentials in encrypted vaults syncable via personal cloud services like Dropbox or Nextcloud. With AES-256 end-to-end encryption, your data stays private. It offers browser autofill extensions and a clean macOS interface for easy vault management. Ideal for users valuing transparency (open-source code) and control over data, avoiding proprietary locks. Lightweight and fast, it integrates smoothly into daily workflows for personal or small-team use.
Key Features
- AES-256 end-to-end encryption
- Cross-device sync via personal cloud storage
- Browser autofill extensions
- Open-source auditable code
- Secure note and credential storage
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Tool Info
Pros
- ⊕ Open-source with transparent, auditable code
- ⊕ Full control over data storage (no proprietary cloud lock-in)
- ⊕ Lightweight and intuitive macOS interface
Cons
- ⊖ No built-in cloud storage (requires external services like Dropbox)
- ⊖ Limited advanced features compared to premium managers (e.g., 1Password)