Top Alternatives to SpeedFan

iStat is a comprehensive system monitoring tool for macOS, residing conveniently in your menubar. It provides a real-time overview of your system's performance, including CPU, memory, disk usage, network activity, temperatures, fan speeds, battery status, and more. With detailed graphs and configurable options, iStat empowers users to keep a close eye on their Mac's health and performance.

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.

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.

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.