Compare software

Zenith vs atop: catalog facts
Zenith	atop
Free Free and open source.	Free Free to download and use.
Linux, Command line	Linux, Command line
Zoomable usage charts inside the terminal Per-process disk usage in a filterable process table	Includes processes that finished during the interval Daily logging for long-term analysis
Unix-like systems only, no Windows support Terminal interface only, no graphical app	Linux only Per-process network data needs an extra kernel module
Downloadable app	Downloadable app
Open source	Closed source
License: MIT	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 23, 2026

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