AppBreakup

GNOME System Monitor alternatives: 3 apps ranked by verified data

Facts checked Oct 25, 2026AppBreakup editorialHow we rank

Common reasons people leave GNOME System Monitor: no GPU monitoring, and basic graphs compared with newer monitors. We ranked 3 alternatives by how directly each one replaces GNOME System Monitor, then by reviews, real visits and how recently each app's facts were checked against its own website. Mission Center currently ranks first.

Quick comparison

#AppPricingOpen sourcePlatformsVerified factsScore
1Mission Center logoMission CenterOpen sourceYesLinux5 of 566.5
2Resources logoResourcesOpen sourceYesLinux4 of 462.6
3Plasma System Monitor logoPlasma System MonitorOpen sourceYesLinux3 of 359.6
  1. Mission Center logo

    1. Mission CenterTop pick

    Best for: Linux users who want a Windows Task Manager-like view of CPU, GPU and memory

    Open sourceLinux

    66.5

    score / 100

    Why switch from GNOME System Monitor

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

    Pros

    • Covers CPU, memory, disks, network, GPU and fans in one place
    • Detailed GPU stats including encoder and decoder usage
    • Hardware-accelerated graphs keep its own load low
    • Familiar layout for people switching from Windows

    Cons

    • Linux only
    • Intel GPU monitoring lacks VRAM, power and temperature data
    • Apps may not show in the Applications list on Cinnamon
    How this score is calculated
    Editorial fit ×0.3100
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1585
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Mission Center a good GNOME System Monitor alternative?

    Verified facts

    5 of 5 verified
    Monitors
    CPU, memory, disk, network, GPU
    Checked Oct 25, 2026missioncenter.io(opens source in a new tab)
    GPU data source
    NVTOP
    Checked Oct 25, 2026missioncenter.io(opens source in a new tab)
    Toolkit
    GTK4 and Libadwaita
    Checked Oct 25, 2026missioncenter.io(opens source in a new tab)
    Language
    Rust
    Checked Oct 25, 2026missioncenter.io(opens source in a new tab)
    Intel GPU limits
    No VRAM, power or temperature
    Checked Oct 25, 2026missioncenter.io(opens source in a new tab)
  2. Resources logo

    2. Resources

    Best for: GNOME users who want a clean, modern view of hardware usage, including laptop batteries

    Open sourceLinux

    62.6

    score / 100

    Why switch from GNOME System Monitor

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

    Pros

    • Clean GNOME-native interface
    • Covers GPUs, drives, network and batteries
    • Manage running apps and processes from the same window

    Cons

    • Linux only
    • Fewer process-level options than GNOME System Monitor
    • Shows less detail at a glance than terminal tools
    How this score is calculated
    Editorial fit ×0.387
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1585
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Resources a good GNOME System Monitor alternative?

    Verified facts

    4 of 4 verified
    Components
    CPU, memory, GPU, network, storage, batteries
    Checked Oct 25, 2026apps.gnome.org(opens source in a new tab)
    Process control
    Yes
    Checked Oct 25, 2026apps.gnome.org(opens source in a new tab)
    License
    GPL-3.0-or-later
    Checked Oct 25, 2026apps.gnome.org(opens source in a new tab)
    Latest release
    51.0 (September 2026)
    Checked Oct 25, 2026apps.gnome.org(opens source in a new tab)
  3. Plasma System Monitor logo

    3. Plasma System Monitor

    Best for: KDE Plasma users who want a monitor they can rearrange around the sensors they care about

    Open sourceLinux

    59.6

    score / 100

    Why switch from GNOME System Monitor

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

    Pros

    • Fully customisable pages built from system sensors
    • Ships with Plasma, so no extra install on KDE
    • Same sensors can be used as desktop and panel widgets

    Cons

    • Pulls in KDE libraries on other desktops
    • GPU details are thinner than Mission Center's
    • Linux only
    How this score is calculated
    Editorial fit ×0.377
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1585
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Plasma System Monitor a good GNOME System Monitor alternative?

    Verified facts

    3 of 3 verified
    Purpose
    Sensors, processes and resources
    Checked Oct 25, 2026apps.kde.org(opens source in a new tab)
    License
    GPL-2.0 or GPL-3.0
    Checked Oct 25, 2026apps.kde.org(opens source in a new tab)
    Developer
    KDE
    Checked Oct 25, 2026apps.kde.org(opens source in a new tab)

The best GNOME System Monitor alternative for…

The highest-ranked app in this list for each need.

Mission Center logo

Best GNOME System Monitor alternative for most people

Mission Center

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

Resources logo

Best GNOME System Monitor alternative for a free option

Resources

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

Plasma System Monitor logo

Best GNOME System Monitor alternative for open source

Plasma System Monitor

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

Mission Center logo

Best GNOME System Monitor alternative for Linux

Mission Center

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

GNOME System Monitor alternatives: common questions

What is the best alternative to GNOME System Monitor?

Mission Center ranks first right now. Adds GPU, fan and per-thread CPU monitoring in a richer Task Manager-style view. Resources and Plasma System Monitor follow it in our ranking.

Is there a free alternative to GNOME System Monitor?

Yes. Mission Center (open source), Resources (open source) and Plasma System Monitor (open source) have a free option. Check each app's verified facts for current plan limits.

Is there an open-source alternative to GNOME System Monitor?

Yes: Mission Center, Resources and Plasma System Monitor.

Which GNOME System Monitor alternatives work on Linux?

Mission Center, Resources and Plasma System Monitor run on Linux.

Why do people switch from GNOME System Monitor?

The complaints we hear most: no GPU monitoring; basic graphs compared with newer monitors; linux and Unix-like systems only.

How is this list ranked?

Every app is scored with the same published formula: how directly it replaces GNOME System Monitor, reviews (weighted by verification), visits from AppBreakup, how recently its facts were checked against its own website, and reader votes.