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Fileside vs muCommander: catalog facts
Fileside	muCommander
Paid Paid licence with a free trial.	Free Free and open source, with optional sponsorship through GitHub Sponsors.
Windows, macOS	Windows, macOS, Linux
Tiled multi-pane layouts saved per project Keyboard palette for jumping between folders	Same dual-pane interface on macOS, Windows and Linux Browses FTP, SFTP, SMB, S3 and cloud storage alongside local files
Paid after the trial No Linux version	Large downloads of around 170 MB Java-based interface may feel less native than platform file managers
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License not stated
Not stated if an account is needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 23, 2026

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