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gocryptfs vs OpaqueFiles: catalog facts
gocryptfs	OpaqueFiles
Free Free and open source under the MIT licence.	Free Free and open source under GPL-3.0.
macOS, Linux, Command line	Linux
Per-file encryption, so cloud sync and incremental backups only transfer what changed Independently audited in March 2017 with a published security design document	Supports ChaCha20-Poly1305 and AES-GCM-SIV encryption Can verify, check, and scrub encrypted files
macOS support is described by the project as beta quality No native Windows support; that is a separate reimplementation	Java is required
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: GPL-3.0
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked October 8, 2026

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