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htop vs Xfce Task Manager: catalog facts
htop	Xfce Task Manager
Free Free and open source under the GPL.	Free Free and open source, part of the Xfce project.
macOS, Linux, Command line	Linux
Kill, renice and filter processes interactively without typing PIDs Per-core meters and tree view make load easy to read at a glance	Light on resources Process tree view and name filter
Terminal only, with no historical graphing Some counters differ per platform outside Linux	Fewer features than full system monitors No disk or network graphs mentioned
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0	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 October 1, 2026

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