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S3QL vs GeeseFS: catalog facts
S3QL	GeeseFS
Free Free and open source under the GNU GPL version 3.	Free Free and open source under the Apache-2.0 license.
Linux, Command line	macOS, Linux, Command line
Presents online object storage as a Unix filesystem Includes compression, encryption, deduplication, and snapshots	Mounts S3 buckets as a file system Supports partial writes and truncation
Designed for Unix systems Requires an online storage service	Some metadata and special file behavior depends on Yandex S3 Requires an S3-compatible bucket
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-only	License: Apache-2.0
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.