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.

Free Disk Space Monitor is described as 'Status bar app for macOS that shows the amount of free disk space left on the hard drive' and is an app in the os & utilities category. There are more than 10 alternatives to Free Disk Space Monitor for a variety of platforms, including Mac, Linux, iPhone, KDE Plasma and Electron apps. The best Free Disk Space Monitor alternative is Stats, which is both free and Open Source. Other great apps like Free Disk Space Monitor are iStat Menus, DaisyDisk, Space Radar and RunCat.
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.




Analyzes disk usage with an intuitive sunburst map, locating and previewing large or unused files across any mounted disk, with drag-and-drop management, fast scanning, real-time updates as files are removed, system integration, and support for various file systems.




SpaceRadar allows interactive visualization of disk space and memory. It currently supports Sunburst, Treemap, and Flamegraph charts.










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.



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.




ZetaWatch is a small OS X program that displays the zfs status in the menu bar, similar to what iStat Menus does for other information. It is fairly well tested, but due to the current state of libzfs and libzfs_core, changes will be required until the API stabilizes.

A magical creature lives in your menu bar — it might be a game character, a playful puppy, or something entirely unique. And it never stops running!




Pluto is a highly refined and customizable at-a-glance system monitor for your Mac. Keep track of what's going on behind the scenes without dropping what you're currently doing.



