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securefs vs CryptSync: catalog facts
securefs	CryptSync
Free The software is free under its open-source licence. Hosting, hardware and external…	Free Free and open source.
Windows, macOS, Linux, Command line	Windows
Files are encrypted and authenticated individually in the underlying directory, which makes it well suited to storing…	Keeps a plain folder and an encrypted folder in step automatically Works with any cloud sync client
It needs a FUSE layer, or WinFsp on Windows, and it is a command-line tool with no interface…	Windows only Encrypts file by file rather than hiding folder structure in a container
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: GPL-3.0
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked October 1, 2026

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