Compare software

htop vs atop: catalog facts
htop	atop
Free Free and open source under the GPL.	Free Free to download and use.
macOS, Linux, Command line	Linux, Command line
Kill, renice and filter processes interactively without typing PIDs Per-core meters and tree view make load easy to read at a glance	Includes processes that finished during the interval Daily logging for long-term analysis
Terminal only, with no historical graphing Some counters differ per platform outside Linux	Linux only Per-process network data needs an extra kernel module
Downloadable app	Downloadable app
Open source	Closed 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 September 23, 2026

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