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Koofr Vault vs gocryptfs: catalog facts
Koofr Vault	gocryptfs
Freemium Included in all Koofr plans, including the free plan.	Free Free and open source under the MIT licence.
Android, Web	macOS, Linux, Command line
Client-side, zero-knowledge encryption Included with the free Koofr plan	Per-file encryption, so cloud sync and incremental backups only transfer what changed Independently audited in March 2017 with a published security design document
Requires a Koofr account Only works with Koofr storage	macOS support is described by the project as beta quality No native Windows support; that is a separate reimplementation
Downloadable app, Web application	Downloadable app
Open source	Open source
License: MIT	License: MIT
Account needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 21, 2026

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