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ProcessSpybottom
Free

Offered as a direct download from the developer's site.

 Free

Free and open source under the MIT licence.

macOS Windows, macOS, Linux, Command line
  • Per-process CPU and memory history
  • Recall of processes that have already exited
  • Plots CPU, memory, network, temperature and disk I/O over time, with a zoomable interval
  • Process widget with sorting, searching, tree mode and kill signals
  • macOS only, and requires macOS 14 or later
  • Some sensors and metrics are only available on some platforms
  • Charts take terminal space; a small window gets cramped
Downloadable app Downloadable app
Closed source Open source
License not stated License: MIT
Not stated if an account is needed No account needed
Works offline Works offline

Checked October 1, 2026

Checked September 21, 2026

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