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Password Calculator vs qMasterPassword: catalog facts
Password Calculator	qMasterPassword
Free Free and open source under the zlib license.	Free Free and open source under GPL-3.0.
Windows, macOS, Linux, Android	Linux
Derives separate passwords from one secret and an alias Available for desktop and Android	Derives separate passwords for each site Does not store a password database
Requires remembering and protecting the single secret used to derive passwords	Passwords depend on remembering the master password and site name
Downloadable app	Downloadable app
Open source	Open source
License: Zlib	License: GPL-3.0
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked October 8, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.