ChillMac icon

ChillMac

Free

System monitoring and fan control, living in your menu bar.

Mac Open Source
Download & details

About ChillMac

ChillMac popover showing a plain-language status, the hottest sensor, CPU, memory, battery and disk vitals, the Cooling control set to Smart, and both fans' RPM ChillMac Settings with fan control status, appearance, menu bar temperature, and cooling behavior options ChillMac Memory panel showing free memory, a usage breakdown bar, pressure, swap, and the apps using the most ChillMac Battery panel showing charge, health, charge cycles, temperature, and capacity details ChillMac Temperatures panel showing the coolest, average, and hottest readings and sensors grouped by CPU, GPU, Memory, and Storage
ChillMac icon

ChillMac

System Monitor · Fan Control

A free, open-source macOS menu bar app for system monitoring and fan control. Real-time CPU, memory, battery, and disk stats with per-fan speed control, smart performance modes, and detailed temperature sensor readings.

Swift SwiftUI IOKit SMC XPC
macOS 13.0+ · Free & Open Source
Download GitHub

or with Homebrew

brew install --cask idevtim/tap/chillmac

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