Apps similar to Task Manager include Process Explorer, which is free. Other options are htop, System Informer, witr and Mission Center. Process Management Tools like Task Manager are a crowded field, with more than 50 alternatives for Windows, Linux, Mac, Android and iPhone.
A Linux Task Manager alternative built with Qt6, inspired by the Windows Task Manager but designed to go further - providing deep visibility into system processes, performance metrics, users, and services.
pstop is a native Windows terminal system monitor inspired by htop. It brings per core CPU usage bars, memory and network meters, process tree view, search, filtering, and kill shortcuts directly to PowerShell with familiar htop style keybindings.
Remote Process Explorer - short RPE - is a small tool for all the admins outside with the need to manage clients immediately within one or more domains. With RPE the admin is able to view all the running processes on a client and of course kill them.
Monitorets is a small utility application offering a simple and quick view at the usage of several of your computer resources. Almost like an applet or a widget for your Linux desktop.
NotCPUCores is a GUI for quick CPU Resource Assignment and Priority adjustment, along with other minor tweaks. A lot of similar snake oil marketed Non-Free alternatives exist that like to call themselves names such as "Game Booster", "FPS Booster"...
This program will tell you which programs are accessing your hard disk or using your CPU at any given moment. You will be able to determine why your hard drive is in use or what program is sucking up processor time.
A Windows PC power consumption monitor that prices every watt with your own electricity tariff: live watts per component and per app, plus a permanent local history.
Greece
EU
Applies 227 explained, risk-rated, one-click-reversible Windows tweaks, then verifies the gains with a real before/after FPS test.
United Kingdom
The best Windows Task Manager, macOS Activity Monitor, and Linux System Monitor alternative. A modern, cross-platform process manager to monitor CPU, memory, GPU, and more in real-time.
United Kingdom
China
