Best System Information in 2025

CPU-Z is a freeware that gathers information on some of the main devices of your system : Processor name and number, codename, process, package, cache levels.

Key CPU-Z features:

Detailed System Information Small Footprint Real-time Monitoring Free to Use

AI agents that spec, build, test, and ship code — with voice chat, deep GitHub integration, and zero LLM markup.

Key JackHamr features:

AI-Powered Music Creation Streamlined Workflow Accessibility for Non-Musicians Creative Inspiration Tool

Try for free freemium

Speccy - find the details of your computer's specs. Great for spotting issues or finding compatible upgrades. Download the latest version free.

Key Speccy features:

Detailed System Information User-Friendly Interface Real-Time Monitoring Portable Version

AIDA64 is a system information, diagnostics and benchmarking solution for Windows PC.

Key AIDA64 features:

Comprehensive System Information Hardware Monitoring Benchmarking Tools Software Diagnostics

Professional System Information and Diagnostics. Comprehensive Hardware Analysis, Monitoring and Reporting for Windows and DOS. FREEWARE. download. Advertisements.

Key HWiNFO features:

Comprehensive Hardware Monitoring Real-Time Monitoring Custom Alerts User-Friendly Interface

GPU-Z is a lightweight system utility designed to provide vital information about your video card...

Key GPU-Z features:

Detailed Information Lightweight Real-Time Monitoring Freeware

Monitors temperature sensors, fan speeds, voltages, load and clock speeds, with optional graph.

Key Open Hardware Monitor features:

Free and Open Source Wide Hardware Support User-Friendly Interface Customizable

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

Key Sidebar Diagnostics features:

Comprehensive System Monitoring Customizability Lightweight Open Source

Hardinfo is a system information and benchmark tool for Linux.

Key Hardinfo features:

Open Source Cross-platform Detailed Reports Benchmarking

Hardware monitor for Windows that can access digital temperature sensors located on several 2-wire SMBus Serial Bus. Can access voltages and fan speeds and control fan speeds. Includes technical articles and docs.

Key SpeedFan features:

Cost Temperature Monitoring Fan Control Customizable

SIW is an advanced System Information for Windows tool.

Key SIW features:

Comprehensive System Information Real-Time Monitoring Portability User-Friendly Interface

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

Key HWMonitor features:

Comprehensive Sensor Monitoring User-Friendly Interface Lightweight Regular Updates

Nov 4, 2017 - Core Temp is a compact, no fuss, small footprint, yet powerful program to monitor processor temperature and other vital information.

Key Core Temp features:

Real-Time Temperature Monitoring Detailed Processor Information Logging and Reporting Customization and Flexibility

Rainmeter is a desktop customization platform.

Key Rainmeter features:

Customization Open Source Lightweight Extensible

Open Source