SystemExplorer

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

Free Windows

SIW

SIW is an advanced System Information for Windows tool that gathers detailed information about your system properties and settings and displays it in an extremely comprehensible manner.

Commercial Windows

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 network) and software (file handles and modules) resources in real time.

Free Windows

GKrellM

GKrellM is a single process stack of system monitors which supports applying themes to match its appearance to your window manager, Gtk, or any other theme.

Free Open Source Mac OS X Windows Linux

3C Toolbox

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

Freemium Android

psutil

psutil is a module providing an interface for retrieving information on all running processes and system utilization (CPU, memory, disks, network, users) in a portable way by using Python, implementing many functionalities offered by...

Free Open Source Mac OS X Windows Linux BSD

Foreman

Foreman is an open source project that helps system administrators manage servers throughout their lifecycle, from provisioning and configuration to orchestration and monitoring.

Free Open Source Linux Web Self-Hosted

XRG

XRG is an open source system monitor for Mac OS X. XRG allows you to monitor CPU activity, memory usage, battery status, machine temperature, network activity, disk I/O, current weather, and stock market data.

Free Open Source Mac OS X

TaskInfo

TaskInfo is a poweful utility that combines and improves features of Task Manager and System Information tools.

Commercial Windows

uranos

OpenSource Unattended installation of several Linux(kickstart,preseed,autoyast) and Windows(W2k,XP,W2k3,Vista,7,W2k8).

Free Open Source Mac OS X Windows Linux

Black Bird System Info

Your computer knows almost everything about you! And what do YOU know about your machine? Get the Black Bird System Info and find out the maximum information about your PC!.

Freemium Windows

Translucent

Translucent provides detailed real-time information about what is going on inside your Mac.

Commercial Mac OS X