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muCommander vs Sunflower: catalog facts
muCommander	Sunflower
Free Free and open source, with optional sponsorship through GitHub Sponsors.	Free Free and open source.
Windows, macOS, Linux	Linux
Same dual-pane interface on macOS, Windows and Linux Browses FTP, SFTP, SMB, S3 and cloud storage alongside local files	Twin-panel layout for quick copy and move operations Extensible through plugins
Large downloads of around 170 MB Java-based interface may feel less native than platform file managers	Linux only Smaller user base than better-known dual-pane managers
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: GPL-3.0
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 1, 2026

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