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Sigma File Manager vs muCommander: catalog facts
Sigma File Manager	muCommander
Free The software is free under its open-source licence. Hosting, hardware and external…	Free Free and open source, with optional sponsorship through GitHub Sponsors.
Windows, Linux	Windows, macOS, Linux
Its global search indexes a large drive in seconds, and the dual-pane split view and media previews are…	Same dual-pane interface on macOS, Windows and Linux Browses FTP, SFTP, SMB, S3 and cloud storage alongside local files
It is an Electron application maintained by one developer, so it is heavier than a native file manager.	Large downloads of around 170 MB Java-based interface may feel less native than platform file managers
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 23, 2026

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