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Spacedrive vs Owlfiles: catalog facts
Spacedrive	Owlfiles
Free Free to download and use. The source is published but under a source-available licence…	Freemium Free to download; the page does not detail paid options.
Windows, macOS, Linux	Windows, macOS, Android, iOS
Every file gets a content hash, so the same file on two machines is recognised as one item…	Supports SMB, NFS, FTP, SFTP, WebDAV and several cloud services Direct transfers between any two locations
The Functional Source License is source-available rather than open source, and the project is still pre-release and…	No Linux version Proprietary
Downloadable app	Downloadable app
Closed source	Closed source
License: FSL-1.1-ALv2	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 24, 2026

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