Thirteen things an activity monitor should do and Activity Monitor does not, each with the real thing working on its page.
Every helper under its app, so "what is using my memory?" gets a one-line answer.
See how it worksClaude Code, Codex, Gemini CLI and the rest: each session with its project, what it is doing, and what it started.
See how it worksHow much is left of Claude, Codex, Copilot and the rest, when each resets, and whether you will make it there.
See how it worksYour assistant asks what is running, which app is behind a number and what is on a port, instead of reading a process list.
See how it worksCPU, memory, GPU, network, temperature and more, each its own item, red while under strain, with the apps behind every number one click away.
See how it worksCPU, memory, energy, disk and network from the last hour to the last year, with the apps that used the most, hour by hour.
See how it worksAn app keeping the CPU busy, growing in memory, or hammering the disk or network gets named before the fans tell you.
See how it worksEvery process under the project it came from, with its ports, and the server left running since Tuesday pointed out.
See how it worksInside the one big Docker process: every container's memory, CPU, network and ports, with Stop on each.
See how it worksTurn the meeting up and the music down: a slider for every app with sound, the mic, and your Bluetooth batteries.
See how it worksCPU and GPU temperature and fan speed, the apps making it hot, and a fan you can hold at a speed.
See how it worksEnergy by app, the apps holding sleep off and why, and the battery's health, cycles and temperature.
See how it worksHow hard the GPU and the Neural Engine are working, which apps are using them, and a chart of the last minutes.
See how it worksNine more, each shown working.
A notification when an app hogs the CPU, keeps growing in memory, or hammers the disk or network.
Zoom 
Music Google Chrome Turn the meeting up and the music down. Nothing is recorded.
CPU and GPU temperature, fan speed you can set, and the battery in your AirPods, mouse and keyboard.
From the last hour to the last year, and which apps used the most. Keep 30 days, 90 days, 6 months or a year, in one small file on your Mac.
Quit an app or a single process from any list. Vitals always asks first.
Vitals
MacBook Pro · M2 Max 
Save a 1200 × 630 share card of your memory, top apps and CPU, or copy the whole dashboard. Made for posts, in light or dark.
Choose the tabs, then show, hide and reorder the sections on each. The dropdown’s tiles and the menu bar’s items too. Reset puts it all back.
Celsius or Fahrenheit, bytes or bits, CPU per core or per Mac. Settings shows each with your own Mac’s figures.
English and ten more languages, in the words your Mac already uses. Vitals follows the language your Mac is set to.
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