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muCommander vs Spacedrive: catalog facts
muCommander	Spacedrive
Free Free and open source, with optional sponsorship through GitHub Sponsors.	Free Free to download and use. The source is published but under a source-available licence…
Windows, macOS, Linux	Windows, macOS, Linux
Same dual-pane interface on macOS, Windows and Linux Browses FTP, SFTP, SMB, S3 and cloud storage alongside local files	Every file gets a content hash, so the same file on two machines is recognised as one item…
Large downloads of around 170 MB Java-based interface may feel less native than platform file managers	The Functional Source License is source-available rather than open source, and the project is still pre-release and…
Downloadable app	Downloadable app
Open source	Closed source
License not stated	License: FSL-1.1-ALv2
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 23, 2026	Official website Full listing and sources Checked September 22, 2026

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