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muCommanderSigma File Manager
Free

Free and open source, with optional sponsorship through GitHub Sponsors.

 Free

The software is free under its open-source licence. Hosting, hardware and external…

Windows, macOS, Linux Windows, Linux
  • Same dual-pane interface on macOS, Windows and Linux
  • Browses FTP, SFTP, SMB, S3 and cloud storage alongside local files
  • Its global search indexes a large drive in seconds, and the dual-pane split view and media previews are…
  • Large downloads of around 170 MB
  • Java-based interface may feel less native than platform file managers
  • It is an Electron application maintained by one developer, so it is heavier than a native file manager.
Downloadable app Downloadable app
Open source Open source
License not stated License: GPL-3.0
No account needed Not stated if an account is needed
Works offline Not stated if it works offline

Checked September 23, 2026

Checked September 22, 2026

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