KSysGuard is described as 'Also known as KDE System Guard and KDE System Monitor, is designed to make simple process control available to a user without needing to do any special setup - the defaults are usually perfectly adequate' and is a process monitoring tool in the system & hardware category. There are more than 25 alternatives to KSysGuard for a variety of platforms, including Linux, Windows, Mac, BSD and Flathub apps. The best KSysGuard alternative is Process Explorer, which is free. Other great apps like KSysGuard are htop, Grafana, System Informer and btop++.
Process Explorer shows you information about which handles and DLLs processes have opened or loaded. The display consists of two sub-windows. The top always shows a list of the currently active processes, including the names of their owning accounts, whereas the information...
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.
A free, powerful, multi-purpose tool that helps you monitor system resources, debug software and detect malware. Official successor to Process Hacker.
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.
Real-time process and CPU affinity optimization utility with ProBalance technology to preserve responsiveness. Automates rules, power schemes, and core selection. Mitigates system slowdowns, enables persistent affinities, watchdog monitoring, and instance limits, running lightweight.
Process Monitor is an advanced monitoring tool for Windows that shows real-time file system, Registry and process/thread activity. It combines the features of two legacy Sysinternals utilities, Filemon and Regmon, and adds an extensive list of enhancements including rich and...
Windows Task Manager is a task manager application included with Microsoft Windows NT family of operating systems that provides detailed information about computer performance and running applications, processes and CPU usage, commit charge and memory information, network...
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.
Real-time monitoring of CPU, memory, disk, and thread metrics for running applications without workflow interruptions. Identify resource bottlenecks, memory leaks, and performance spikes. Freeware with no registration required, featuring dark/light modes, always-on-top option, and exportable logs for team analysis.
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No GPU monitoring as far as I know.