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PCManFM vs nnn: catalog facts
PCManFM	nnn
Free Free and open source under the GPL-2.0 licence.	Free Free and open source under a BSD 2-clause licence.
Linux	macOS, Linux, Command line
Very low resource use Suits minimal desktops and older hardware	About 150 KB and typically under 3.5 MB of memory in use Analyses disk usage, batch renames, launches apps and picks files
Linux only Fewer advanced features than larger file managers	No Windows build outside Cygwin or WSL Previews and many conveniences need plugins and external programs
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0	License: BSD-2-Clause
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 September 21, 2026

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