Task Manager for macOS

A Windows‑style Task Manager for macOS — fast, dense, and it shows what you actually want to see.

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Activity Monitor is fine, but it never quite scratched the itch — so this is the Task Manager I wanted on my Mac. Processes in a tight, sortable table grouped into Apps / Background / System, live CPU · Memory · Disk · Network · GPU columns, and a Performance tab with per‑core graphs. The window is fully native macOS (real traffic lights), the layout is borrowed from Windows 11.

✨ Features

• 🗂 Processes — grouped into Apps / Background / System with real app icons, per‑group CPU/Memory/Network totals, sortable columns, search, and a right‑click menu (End task, Set priority, Reveal in Finder).
• 📈 Performance — live graphs for CPU (a grid per logical core), Memory, Disk, Network and GPU, a “Top processes” list, and the details that matter: load average, P/E cores, swap, cached memory, uptime, threads…
• 🧠 Memory done right — reads vm_stat/sysctl to match Activity Monitor exactly (App + Wired + Compressed, plus swap and cached files) — something most libraries get wrong on macOS.
• 🌐 Real disk & network rates — derived from the system counters; per‑process network via nettop.
• 🎮 GPU utilization on Apple Silicon — pulled from ioreg, no sudo.
• 🚀 Startup apps — see your Launch Agents / Daemons and switch them on or off.
• 👥 Users · Details · Services tabs, and a Run new task launcher.

📸 Screenshots

Performance (per‑core)	Startup apps

🚀 Getting started

You'll need Node.js 18+ and macOS 12 or newer.

Run from source

git clone https://github.com/tnAnGel/Task-Manager-for-macOS.git
cd TaskManager
npm install
npm start

Build a .dmg — the script auto‑detects your Mac's architecture:

./scripts/build.sh

…or pick a target yourself:

npm run dist:arm64      # Apple Silicon
npm run dist:x64        # Intel
npm run dist:universal  # one app for both

The installer lands in dist/. The app isn't code‑signed, so on first launch either right‑click it → Open, or run:

xattr -dr com.apple.quarantine "/Applications/Task Manager.app"

Heads up: Electron downloads its runtime from GitHub during npm install. If you use a DNS‑level blocker (AdGuard, Pi‑hole, a VPN…), allow github.com and objects.githubusercontent.com, or pause it for the install. If you can't unblock GitHub, use a mirror:

ELECTRON_MIRROR="https://npmmirror.com/mirrors/electron/" npm install

⚠️ Notes & limitations

A few things macOS just doesn't expose the way Windows does:

• Per‑process disk I/O needs elevated tools, so that column stays at 0.
• Per‑process GPU isn't available — the GPU figure is system‑wide.
• Ending or re‑prioritizing processes you don't own (or system ones) needs privileges and may quietly fail. Toggling a system Launch Daemon asks for your admin password.

🗂 Project structure

Click to expand

src/
  main/                 Electron main process
    main.js             window + app lifecycle + menu
    ipc.js              IPC handlers
    preload.js          window.api bridge
    actions.js          kill / priority / startup toggles / run task / app icons
    metrics/
      processes.js      process list (+ per-process network)
      system.js         CPU / memory / disk / net / GPU stats
  renderer/             UI (vanilla JS, no framework)
    index.html
    styles/             design tokens + per-area CSS
    js/
      app.js            bootstrap, sidebar, polling loop
      state.js          shared store
      format.js         number/byte formatting
      icons.js          lazy app-icon loader
      components/       sparkline, line chart, context menu, titlebar
      views/            processes, performance, details, startup, users, services
assets/                 app icon
image/                  screenshots for this README
scripts/build.sh        build helper

🛠 Built with

Electron and plain JS/HTML/CSS — no front‑end framework, no bundler. System data comes from systeminformation plus a few native macOS tools (vm_stat, ioreg, nettop, launchctl).

📄 License

MIT — do whatever you like.