Overview
Spectre (formerly Master Password) is an open algorithm and suite of apps that generate site-specific passwords from a name, master password, and site identifier — completely offline with no network or storage dependency. Implementations exist for iOS, Android, macOS, Linux, and the web. Because no vault is stored anywhere, there is nothing to breach, backup, or sync.
Where it falls short of 1Password
- No vault means no ability to store free-form secure notes or non-password credentials
- Regenerating a password after a site breach requires manually tracking version counters
- No browser extension with auto-fill in the official CLI implementation
We list the gaps honestly so you can decide if the trade-off is worth owning your data.
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