Free and open source system monitor for the macOS menu bar: CPU, memory, network, disk, GPU and Bluetooth battery, ten desktop widgets, Keep Awake, Mac health, alerts and an on-device diagnostic by Apple Intelligence. Sandboxed, no network access, no data collected.
macos swift open-source widgets system-monitor widgetkit disk-usage macos-app memory-monitor network-monitor menu-bar swiftui menubar-app cpu-monitor swift6 foundation-models keep-awake apple-intelligence app-sandbox mac-health
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Updated
Oct 4, 2026 - Swift