Free, open-source macOS process & priority monitor. One click moves a CPU hog into the macOS background band — reversible, no admin rights — so the app you're actually using stays snappy. A free App Tamer alternative and the reprioritize button Activity Monitor never had.
nodejs macos swift menubar performance cpu process-monitor system-monitor swiftui activity-monitor taskpolicy app-tamer-alternative
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Updated
Aug 12, 2026 - Swift