There are many alternatives to KSysGuard for Linux and since it's discontinued a lot of people are looking for a replacement. The best Linux alternative is htop, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 25 alternatives to KSysGuard and many of them are available for Linux so hopefully you can find a suitable replacement. Other interesting Linux alternatives to KSysGuard are Grafana, btop++, Mission Center and Resources.
htop is an interactive process viewer for Linux. It is a text-mode application (for console or X terminals) and requires ncurses. htop is an interactive top replacement that runs in the terminal. The available columns are: PID, STATE, PPID, PGRP, SESSION, TTY_NR, TPGID, MINFLT...
Grafana provides a powerful and elegant way to create, explore, and share dashboards and data with your team and the world.
Resource monitor that shows usage and stats for processor, memory, disks, network and processes.
Resources is a simple yet powerful monitor for your system resources and processes, written in Rust and using GTK 4 and libadwaita for its GUI.
Stacer is an open source system optimizer and application monitor that helps users to manage entire system with different aspects, its an all in one system utility.
Resource monitor that shows usage and stats for processor, memory, disks, network and processes.
Python port of bashtop.
Pachtop is a lightweight, performant, and opensource system monitor that provides real-time monitoring of your system's performance, application monitoring, and detailed system information. Built with Rust and Tauri
System Monitor is a tool to manage running processes and monitor system resources.
Easy to use application for monitoring and controlling running processes.
Top-like interface for container metrics. ctop provides a concise and condensed overview of real-time metrics for multiple containers as well as a single container view for inspecting a specific container.
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No GPU monitoring as far as I know.