System Monitoring Center

A multi-featured, low-resource system monitor that lets you easily track and manage CPU, RAM, disk, network, and GPU usage

Features:

Detailed system performance and usage usage monitoring/managing features

Monitoring CPU, RAM, Disk, Network, GPU hardware/usage information

Monitoring and managing processes and services (systemd)

Monitoring users, sensors and general system information

Supports PolicyKit. No need to run the application with "sudo"

Hardware selection options (selecting CPU cores, disks, network cards, GPUs)

Plotting performance data of multiple devices at the same time

Interactive charts for querying performance data on any point

Option for showing processes as tree or list

Optimized for low CPU usage

Customization menus for almost all tabs

Supports ARM architecture

Free and open source

Notes for Limitations:

GPU usage information availability depends on vendor/driver.

GPU load is not tracked if GPU tab is switched off (for lower CPU usage).

Virtual machines may not provide CPU min-max frequencies, sensors and RAM hardware information.

Non-Flatpak versions of the application has higher performance (start speed, CPU, RAM usage).