Alternatives to Xfce Task Manager for all platforms with any license

Process Explorer

Process Explorer shows you information about which handles and DLLs processes have opened or loaded.

Free Windows PortableApps.com
Portable Add a feature

677 Like
Process Hacker

Process Hacker is a feature-packed tool for manipulating processes and services on your computer. A free and open source process viewer with powerful process...

Free Open Source Windows PortableApps.com
Cpu monitoring Filtering Feature Granular Detail on Processes I/O Monitoring ... Network Monitoring Portable Add a feature

219 Like
htop

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...

Free Open Source Mac OS X Linux BSD
Performance Monitoring Add a feature

197 Like
Process Monitor

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...

Free Windows PortableApps.com
Portable Add a feature

133 Like
SystemExplorer

System Explorer is an enhanced Taskmanager that provides detailed information about running processes, startup programs, IE add-ons (BHOs), drivers, services network...

Free Windows PortableApps.com
Hardware Monitoring Portable Add a feature

83 Like
glances

Glances is a CLI curses based monitoring tool for GNU/Linux and BSD OS. Glances uses the PsUtil library to get information from your system. It is developed in Python.

Free Open Source Mac OS X Windows Linux BSD
Network Monitoring Clear interface Command line interface Hardware Monitoring Add a feature

27 Like
Windows Task Manager

Windows Task Manager is a task manager application included with Microsoft Windows NT family of operating systems that provides detailed information about computer...

Free Windows
No features added Add a feature

53 Like
Stacer

Ubuntu system optimizer.

Free Open Source Linux
Real-time monitoring Services monitoring Add a feature

13 Like
GNOME System Monitor

System Monitor is a tool to manage running processes and monitor system resources.

Free Open Source Linux BSD GNOME
No features added Add a feature

24 Like
Resource Monitor

Resource Monitor is a system application in Microsoft Windows operating systems. It is used to view information about the use of hardware (CPU, memory, disk, and...

Free Windows
Hardware Monitoring Performance Monitoring Add a feature

16 Like
KSysGuard

KSysGuard, 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...

Free Open Source Linux KDE
Hardware Monitoring Add a feature

8 Like
Atmonitor

Mac OS X System Monitor and Process Explorer Tool atMonitor is the most advanced monitoring tool for Mac OS X that displays system activity in real-time. It is designed...

Free Mac OS X
Hardware Monitoring Add a feature

18 Like
- Discontinued The official website is no longer available. Last version, 2.7.1, released on August 2012, can be still downloaded from Wayback Machine.
AnVir Task Manager

This tool controls programs, disk, CPU. Replace task manager, tweak and tune up XP or Vista. Speed up windows startup. Get rid of spyware and viruses.

Freemium Windows
Hardware Monitoring Portable Add a feature

26 Like
- Warning Be careful! The downloader of AnVir Task Manager can install malwares! To avoid the InstallManager read the post at http://alternativeto.net/discussions/applications/12033/how-to-avoid-the-installmanager/
3C Toolbox

Comprehensive toolbox to save battery, tweak, tune, backup, secure and monitor any Android devices.

Freemium Android
Hardware Monitoring Add a feature

9 Like
DBCTaskman

A windows 8-like Task Manager for Windows 7 ,work in progress!

Free Windows
No features added Add a feature

3 Like