Dotmeter lives in the menu bar and opens a window for the full picture: which app is using the processor, graphics, memory, disk, network and power, how hot the Mac runs, and what is on every USB port. It also acts on what it shows: uninstall an app with what it left behind, see which ports are open, and find the cable that is slowing a drive down. Ask Claude or GPT about it with your own key. Free, open source, signed and notarized by Apple.