Top Alternatives to iStat

SpeedFan is a versatile system monitoring tool for Windows, offering real-time insights into your computer's hardware components, including temperatures, fan speeds, voltages, and S.M.A.R.T. data. It empowers users with the ability to control fan speeds, allowing for optimal cooling and noise management.

Open Hardware Monitor is a free and open-source software designed to provide comprehensive monitoring of critical hardware components. It tracks temperatures, fan speeds, voltages, load, and clock speeds for a wide range of system components, including CPU, GPU, motherboard, and hard drives, making it an essential tool for system health assessment and troubleshooting.

HWiNFO is a comprehensive system information and hardware monitoring tool for Windows. It provides detailed insights into your computer's components, including CPU, GPU, motherboard, memory, and storage devices. Ideal for system analysis, troubleshooting, and monitoring hardware performance.

MSI Afterburner is a comprehensive utility designed to empower users with full control over their graphics card, enabling performance tuning, hardware monitoring, and in-game data display.

Core Temp is an invaluable and compact software utility designed specifically for monitoring your CPU's temperature in real-time. It provides crucial information such as temperature readings for each core, load levels, and clock frequencies, offering precise insight into your processor's health and performance.

WinAudit is a free and portable utility for Windows that provides a comprehensive inventory of your computer's configuration, hardware, and software. It generates detailed reports on various system aspects, making it an invaluable tool for system administrators, support personnel, and anyone needing a deep understanding of their machine.

Informer is a comprehensive utility app for iPhone and iPad designed to provide users with in-depth system and hardware information. It offers real-time monitoring, hardware details, disk usage insights, and network information, empowering users with a detailed overview of their device's health and performance.

AtMonitor was an advanced system monitoring tool for macOS, providing real-time insights into system activity, hardware usage, process performance, and network traffic. It offered both a graphical user interface and a command-line interface, catering to various user needs.

Real Temp is a highly regarded temperature monitoring utility specifically crafted for Intel processors. It provides precise real-time temperature readings, voltage information, and system data, enabling users to keep a close eye on their processor's health and performance. Its portable nature makes it a convenient tool for diagnostics and optimization.

DriveDx is an advanced hard drive and solid-state drive (SSD) health diagnostics and monitoring utility for macOS. It leverages S.M.A.R.T. data, proprietary algorithms, and real-time monitoring to predict and prevent drive failures, ensuring the safety of your data.

Sidebar Diagnostics is a lightweight, customizable sidebar for Windows that provides real-time monitoring of your system's hardware, including CPU temperature, memory usage, fan speeds, and more. It's designed to be unobtrusive while keeping essential performance data readily available.

smcFanControl is a utility for Intel-based Macs that provides fine-grained control over the system's fans, allowing users to set minimum fan speeds to improve cooling performance and monitor system temperatures in real-time.