Apps similar to Free Disk Space Monitor include Stats, which is free and open source. Other options are iStat Menus, DaisyDisk, Space Radar and RunCat. You can choose from more than 10 System Information Utilities like Free Disk Space Monitor for Mac, Linux, iPhone and Windows.
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.
Ukraine
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.
Australia
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.
Ukraine
SpaceRadar allows interactive visualization of disk space and memory. It currently supports Sunburst, Treemap, and Flamegraph charts.
United States
Japan
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.
China
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.
United Kingdom
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.
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.
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!
