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GNOME System Monitor

GNOME's built-in process viewer and resource monitor for Linux.

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About GNOME System Monitor

GNOME System Monitor is the process viewer and resource monitor that ships with the GNOME desktop, so it is already installed on many Linux distributions, including Ubuntu and Fedora Workstation. It has three main views. The Processes tab lists everything running with CPU and memory use, and lets you stop or force-quit frozen programs, change priority, see memory maps and find which process has a file open. The Resources tab draws recent CPU, memory, swap and network history graphs. The File Systems tab shows how full each mounted disk is. It is free, open source under the GPL-2.0, and maintained as part of the GNOME project, with a help manual explaining each view. It covers the essentials reliably but does not show GPU usage, and its graphs are simpler than newer apps like Mission Center or Resources. It is only available for Linux and other Unix-like systems.

Best for: GNOME users who want the dependable default for finding and stopping misbehaving processes.

Pros and cons

What works

  • Preinstalled on many GNOME-based distributions
  • Strong process tools: priority, memory maps, open files
  • Disk usage view for every mounted file system

Why people leave

  • No GPU monitoring
  • Basic graphs compared with newer monitors
  • Linux and Unix-like systems only

Top GNOME System Monitor alternatives

See all 3
  1. 1Mission Center logo
    Mission Center

    Adds GPU, fan and per-thread CPU monitoring in a richer Task Manager-style view.

    66.5
  2. 2Resources logo
    Resources

    Modern GNOME look with GPU and battery pages that System Monitor lacks.

    62.6
  3. 3Plasma System Monitor logo
    Plasma System Monitor

    KDE's counterpart, with configurable pages of sensors for Plasma users.

    59.6

Why people left GNOME System Monitor

In reviewers' own words, from reviews of the apps they moved to. These are their opinions, not ours.

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GNOME System Monitor: common questions

Is GNOME System Monitor free?

Yes. GNOME System Monitor is free, open-source software.

Is GNOME System Monitor open source?

Yes.

What platforms does GNOME System Monitor run on?

GNOME System Monitor is available for Linux.

What are the best alternatives to GNOME System Monitor?

The highest-ranked GNOME System Monitor alternatives right now are Mission Center, Resources and Plasma System Monitor. See the full ranked list for pricing, platforms and verified facts.

See all 3 GNOME System Monitor alternatives