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bmon vs iftop: catalog facts
bmon	iftop
Free Free and open source under BSD and MIT licenses.	Free Free software under the GPL-2.0-or-later license.
Linux, Command line	Command line
Interactive curses interface with live graphs Scriptable text output	Displays current bandwidth usage by pairs of hosts Shows network traffic on a named interface
Terminal only Development is slow compared with newer tools	Requires libpcap and libcurses
Downloadable app	Downloadable app
Open source	Open source
License: BSD-2-Clause AND MIT	License: GPL-2.0-or-later
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked October 8, 2026

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