System Information Utilities

You want to see what parts are in the computer you’re using, but you’re unsure and not able to open it. Apps like these will detail everything you need about the hardware in your PC and the operating system it’s currently running. Think of it as if software like Speccy provided you a “snapshot” of your computer at the current moment, offering statistics such as how fast the processor is or how hot each component of the computer is running. This info is especially useful for troubleshooting and knowing what most needs to either be cooled or even replaced.

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CPU-Z
Free • Proprietary
System Information Utility
Benchmark Tool
Windows
Android
PortableApps.com
58 alternatives to CPU-Z
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...
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CPU-Z Features
1. PortableCPU-Z can be used from a USB stick or similar with no prior installation.
2. LightweightCPU-Z consumes less device resources compared to similar apps.
Hardware Monitoring
Stress Testing
GNU/linux-libre
AMD
Top 3 alternatives
Rainmeter
Free • Open Source
Desktop Customization Tool
System Information Utility
Windows
30 alternatives to Rainmeter
Rainmeter allows you to display customizable skins on your desktop, from hardware usage meters to fully functional audio visualizers. You are only limited by your imagination and creativity.
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Rainmeter Features
Widgets
Customize skin
Customizable
CPU Monitoring
Live Wallpapers
Custom widgets
Colored Text
Hardware Monitoring
Desktop Widget
Skinnable
Top 3 alternatives
HWiNFO (32/64)
Freemium • Proprietary
System Information Utility
Benchmark Tool
Windows
PortableApps.com
87 alternatives to HWiNFO (32/64)
HWiNFO are professional hardware information and diagnostic tools supporting latest components, industry technologies and standards. Both tools are designed to collect and present the maximum amount of information possible about computers hardware which makes them suitable for...
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HWiNFO (32/64) Features
1. PortableHWiNFO (32/64) can be used from a USB stick or similar with no prior installation.
Hardware Monitoring
Temperature Monitoring
Support for S.M.A.R.T. data
Hardware Diagnostics
Fan Speed
Top 3 alternatives
Open Hardware Monitor
Free • Open Source
System Information Utility
Windows
Mono
69 alternatives to Open Hardware Monitor
The Open Hardware Monitor is a free open source software that monitors temperature sensors, fan speeds, voltages, load and clock speeds of a computer.
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Open Hardware Monitor Features
1. PortableOpen Hardware Monitor can be used from a USB stick or similar with no prior installation.
2. LightweightOpen Hardware Monitor consumes less device resources compared to similar apps.
3. Command line interfaceOpen Hardware Monitor either have CLI support or is a CLI-only app.
Temperature Monitoring
Hardware Monitoring
Voltage monitoring
Fan Speed
No installation required
History graphs
Export to CSV
Sensors
Discontinued
There has not been any code change since December 2020, also the community now wonders if it is abandoned: https://github.com/openhardwaremonitor/openhardwaremonitor/issues/1471 There also seems to be a fork called LibreHardwareMonitor (which is already listed as an alternative) and appears to be the most active fork right now.
Top 3 alternatives
Speccy
Freemium • Proprietary
System Information Utility
Windows
67 alternatives to Speccy
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 that's in your computer.
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Speccy Features
1. PortableSpeccy can be used from a USB stick or similar with no prior installation.
Temperature Monitoring
Hardware Monitoring
Multiple languages
CPU Monitoring
Bundleware
The installer propose you to install additional third party software like Google Chrome
Top 3 alternatives
GPU-Z
Free • Proprietary
System Information Utility
Windows
PortableApps.com
32 alternatives to GPU-Z
GPU-Z is a lightweight system utility designed to provide vital information about your video card and graphics processor.
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GPU-Z Features
1. PortableGPU-Z can be used from a USB stick or similar with no prior installation.
Hardware Monitoring
Sensors
Top 3 alternatives
Sysinternals Suite
Free • Proprietary
System Information Utility
Windows
46 alternatives to Sysinternals Suite
The Sysinternals Troubleshooting Utilities have been rolled up into a single Suite of tools. This file contains the individual troubleshooting tools and help files. It does not contain non-troubleshooting tools like the BSOD Screen Saver or NotMyFault.
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Sysinternals Suite Features
1. PortableSysinternals Suite can be used from a USB stick or similar with no prior installation.
2. LightweightSysinternals Suite consumes less device resources compared to similar apps.
Configurable
Customize Windows
Hardware Monitoring
Optimization
Top 3 alternatives
MSI Afterburner
Free • Proprietary
System Information Utility
Screenshot Capture Tool
Windows
48 alternatives to MSI Afterburner
A powerful overclocking tool for your graphics card, which also includes screen capture and video capture tools, plus overlays. Has a lower FPS hit than Fraps, and offers the same functionality. The beta versions include audio streams alongside the video capture.
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MSI Afterburner Features
1. PortableMSI Afterburner can be used from a USB stick or similar with no prior installation.
2. Works OfflineMSI Afterburner can be used without the need to connect to the internet.
Overclock
Hardware Monitoring
Temperature Monitoring
FPS counter
OSD
In-Game Overlay
Fan Speed
Support for 64 bit
Gaming-focused
Gpu control
Top 3 alternatives
Sidebar Diagnostics
Free • Open Source
System Information Utility
Windows
39 alternatives to Sidebar Diagnostics
SidebarDiagnostics - A simple sidebar for Windows desktop that displays hardware diagnostic information.
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Sidebar Diagnostics Features
1. PortableSidebar Diagnostics can be used from a USB stick or similar with no prior installation.
Temperature Monitoring
Real-time monitoring
Hardware Monitoring
Performance Monitoring
Configurable
Fan Speed
Top 3 alternatives
AIDA64
Paid • Proprietary
System Information Utility
Benchmark Tool
Windows
Android
iPhone
Windows S
Android Tablet
HUAWEI AppGallery
Windows Phone
iPad
Tizen OS
81 alternatives to AIDA64
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.
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AIDA64 Features
1. PortableAIDA64 can be used from a USB stick or similar with no prior installation.
Hardware Monitoring
Overclock
Top 3 alternatives
TrafficMonitor
Free • Open Source
Network Monitor
Windows
49 alternatives to TrafficMonitor
TrafficMonitor is a network monitoring suspension window software in Windows. It can display the current network speed, CPU and memory usage. It also support the functions of display in the taskbar, change skin and historical traffic statistics.
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TrafficMonitor Features
1. LightweightTrafficMonitor consumes less device resources compared to similar apps.
2. PortableTrafficMonitor can be used from a USB stick or similar with no prior installation.
Network speed monitor
Memory usage
CPU Monitoring
Top 3 alternatives
Neofetch
Free • Open Source
System Information Utility
Mac
Windows
Linux
Android
iPhone
Android Tablet
BSD
iPad
Haiku
22 alternatives to Neofetch
Neofetch is a command-line system information tool written in bash 3.2+. Neofetch displays information about your operating system, software and hardware in an aesthetic and visually pleasing way.
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Neofetch Features
1. Command line interfaceNeofetch either have CLI support or is a CLI-only app.
2. LightweightNeofetch consumes less device resources compared to similar apps.
3. PortableNeofetch can be used from a USB stick or similar with no prior installation.
ASCII Art
Top 3 alternatives
Stats
Free • Open Source
System Information Utility
Mac
70 alternatives to Stats
Simple macOS system monitor in your menu bar.
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Stats Features
Hardware Monitoring
Sits in the MenuBar
Temperature Monitoring
CPU temperature
Fan Speed
Status menu widgets
Top 3 alternatives
HWMonitor
Freemium • Proprietary
System Information Utility
Windows
30 alternatives to HWMonitor
HWMonitor is a hardware monitoring program that reads PC systems main health sensors : voltages, temperatures, fans speed.
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HWMonitor Features
CPU temperature
Hardware Monitoring
Temperature Monitoring
Top 3 alternatives
NirLauncher
Free • Proprietary
System Information Utility
Windows
13 alternatives to NirLauncher
NirLauncher is a package of more than 200 portable freeware utilities for Windows, all of them developed for NirSoft Web site during the last few years. You can easily add SysInternals Suite into NirLauncher.
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NirLauncher Features
1. Password RecoveryNirLauncher can help you recover your passwords for software applications and hardware devices.
2. PortableNirLauncher can be used from a USB stick or similar with no prior installation.
Warning
This app contains tools that can read or unveil passwords and could be used by other users of your computer for malicous actions. Read the comments.
Top 3 alternatives

CPU-Z Features

Top 3 alternatives

Rainmeter Features

Top 3 alternatives

HWiNFO (32/64) Features

Top 3 alternatives

Open Hardware Monitor Features

Top 3 alternatives

Speccy Features

Top 3 alternatives

GPU-Z Features

Top 3 alternatives

Sysinternals Suite Features

Top 3 alternatives

MSI Afterburner Features

Top 3 alternatives

Sidebar Diagnostics Features

Top 3 alternatives

AIDA64 Features

Top 3 alternatives

TrafficMonitor Features

Top 3 alternatives

Neofetch Features

Top 3 alternatives

Stats Features

Top 3 alternatives

HWMonitor Features

Top 3 alternatives

NirLauncher Features

Top 3 alternatives