PC Wizard!

CPU-Z is a freeware system profiler (system monitor) application for Microsoft Windows (for all versions from 95 on) that detects the central processing unit, RAM, motherboard chipset, and other hardware features of a modern personal computer, and presents the information in one window. CPU-Z is more in-depth in some areas than the features that Windows XP provides to identify various hardware components, and is thus needed to identify certain components without opening the case, especially the core revision and RAM clock rate. »

Speccy is an advanced System Information tool for your PC, available as installer version and as portable version in 24 languages. It does a quick scan of your machine and gives you a complete rundown of every piece of gear thats in your computer.

GPU-Z is a lightweight utility designed to give you all information about your video card and GPU. The application supports ATI and Nvidia cards. The information provided includes GPU model, BIOS version, clock rate, memory size, etc as well as live readings of card sensors for temperature, voltage and current.

AIDA64 is a system information, diagnostics, and auditing application developed by FinalWire Ltd., that runs on Windows, Android, iOS, Windows Phone and Tizen operating systems. It displays detailed information on the components of a computer. Information can be saved to file in formats such as HTML, CSV, or XML.

HWMonitor is a hardware monitoring program that reads PC systems main health sensors : voltages, temperatures, fans speed.

CrystalDiskMark is a small HDD benchmark utility for your hard drive that enable you to rapidly measure sequential and random read/write speeds.

SidebarDiagnostics - A simple sidebar for Windows desktop that displays hardware diagnostic information.

I-Nex is an application that gathers information for hardware components available on your system and displays it using an user interface similar to the popular Windows tool CPU-Z.

Hardinfo is a system information and benchmark tool for Linux. It shows detailed system info, including hardware, environment, and kernel. It can use lm_sensors and ACPI for temperature and battery information. It also has four CPU banchmarks and two FPU benchmarks. It can generate reports as well.

The Belarc Advisor builds a detailed profile of your installed software and hardware, network inventory, missing Microsoft hotfixes, anti-virus status, security benchmarks, and displays the results in your Web browser. All of your PC profile information is kept private on your PC and is not sent to any web server.

SiSoftware Sandra (the System ANalyser, Diagnostic and Reporting Assistant) is an information & diagnostic utility. It should provide most of the information (including undocumented) you need to know about your hardware, software and other devices whether hardware or software.