Menu bar tool for macOS shows real-time CPU, GPU, memory, disk, network, battery status, sensor data, fan speed, Bluetooth device info, multi-time zone clocks, customizable widgets, and historical graphs while ensuring privacy.

There are many alternatives to Activity Monitor for Mac if you are looking for a replacement. The best Mac alternative is Stats, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 10 alternatives to Activity Monitor and 17 are available for Mac so hopefully you can find a suitable replacement. Other interesting Mac alternatives to Activity Monitor are iStat Menus, TaskExplorer, AppHalt and Atmonitor.
Menu bar tool for macOS shows real-time CPU, GPU, memory, disk, network, battery status, sensor data, fan speed, Bluetooth device info, multi-time zone clocks, customizable widgets, and historical graphs while ensuring privacy.

Advanced Mac utility with menubar monitoring for CPU, GPU, memory, disks, network, and sensors, including fan control, S.M.A.R.T status, Bluetooth battery tracking, weather, notifications, and deep customization. Combines multiple stats in a single view while prioritizing privacy.




Explore all the tasks (processes) running on your Mac with TaskExplorer. Quickly see a task's signature status, loaded dylibs, open files, network connection, and much more!.




Pause unused apps to boost performance. AppHalt lets you freeze background activity, reduce CPU load, and extend battery life.


Mac OS X System Monitor and Process Explorer Tool atMonitor is the most advanced monitoring tool for Mac OS X that displays system activity in real-time. It is designed to allow quick assessment of computers state and it is powerful enough to make it a core utility in anyones sys.

macOS menu bar utility written in SwiftUI that presents CPU, memory, disk, and network usage, plus Bluetooth battery levels, customizable Big Sur widgets, Dark Mode, and real-time sensor data. Open-source, lightweight, and compatible with Apple Silicon.

XRG is an open source system monitor for Mac OS X. XRG allows you to monitor CPU activity, memory usage, battery status, machine temperature, network activity, disk I/O, current weather, and stock market data.




Dictate, announce, or notify when the active currently viewed application changes. Accessibility and developer friendly, useful for when menubar is not visible, or when Mac is unattended.

Lightweight macOS menu bar utility providing live CPU, memory, disk, network, battery, and thermal state monitoring, supporting Apple Silicon and Intel hardware, with customizable interface options, low resource usage, and strong privacy protections.




Visualizes live CPU, memory, network, disk, battery, and wireless usage on macOS using a compact, customizable interface, blending data graphically and textually on desktop, menu bar, or Dock, with Retina support, hotkeys, and minimal system impact.




Offers modular monitoring of CPU, Memory, Network, Disk, Battery, GPU, Bluetooth, Temperature, and Fans, each configurable and reorderable, with menu bar integration, notifications for low battery or storage, keyboard shortcuts, and color theme adaptation.


