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.
ThermPort
ThermPort monitors CPU temperature, memory, GPU, battery, network, disk, power and Wi-Fi, with live charts, alerts, long-term history and detailed reports.
Vitals
Vitals makes Mac system monitoring easier to understand by grouping processes under the apps they belong to. Track CPU, memory, energy, disk and network usage, with 30 days of history and alerts.
MacMetra
Monitor CPU, memory, storage, thermal state and power from one compact dashboard, with configurable menu bar readings, fast updates and a fully sandboxed app with no network access.
WTMemory
RAMkeeper
RAMKeeper shows where your Mac’s memory is being used, groups browser processes by app, and provides Focus Mode, memory thresholds, and gentle restarts to keep demanding apps under control.
ActivityLine
Monitor CPU, GPU, RAM, network, and app activity in a single live line. ActivityLine highlights what’s using the most resources, keeping performance insights simple and unobtrusive.
MacMonitor
MacMonitor keeps CPU thermal state, RAM, disk space, and battery status visible at a glance. Lightweight and open source, it runs natively in Swift with no telemetry or bloat.
AirStats
AirStats is a lightweight system monitor that shows CPU, memory, GPU, network, disk, battery, temperature, and process activity, with a customizable menu bar panel and optional desktop overlay.
Pulsr
Pulsr keeps your Mac’s key system stats visible while explaining what’s happening in plain language. Quickly identify resource-hungry apps, bring them to the foreground or quit them, while all monitoring stays local.










