Understand what your Mac is really doing. Monitor CPU, GPU, memory, disk activity, temperatures, fans, battery health, network performance and per-process usage in real time, directly from your menu bar with clear visuals and detailed diagnostics.
Simple Stat Speed

This menu bar app shows the currently used CPU in percent, the used RAM in percent and the download/upload speed.
OneMenu

OneMenu is a menubar app featuring system monitoring, a window manager and a keyboard cleaning mode.
Vitals

Vitals is a tiny process monitor that keeps track of resource usage. The app shows a per-process CPU graph covering the last 60 seconds. This makes it easier to track down apps that misbehave sporadically.
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Better Menu Bar
Pi Stats
Follow up and manage the status of your Pi-hole(s). Comes in handy when you’re annoyed by having to open up the web interface every time you want to disable pihole.
Stats

A simple macOS system monitor in your menu bar: CPU, netwerk and memory usage, disk utilization, sensors information (temperature, voltage and power) and battery level.
MiniUsage

MiniUsage is a menu bar app that displays various data like CPU usage, amount of network flow, battery status and process names which uses much CPU time.
Fanny

Fanny is a free menu bar app that monitors your Mac’s fan stats, keeping you informed about cooling performance and thermal conditions.




