v3.4.0 — Now with 32 achievements

The 1989 internet cat,
built for Apple Silicon.

Native Metal GPU rendering at 120 Hz. Chases your cursor across every screen. Sleeps in your menu bar. Free forever.

↓   Download for macOS ★   View on GitHub
🍎 macOS 13+
⚡ Metal GPU
🆓 Free & Open Source
🚫 No Electron
🏆 32 achievements
Features

Obsessively native.

Built as if it shipped with macOS.

⚡
Metal GPU · 120 Hz
CVDisplayLink + triple-buffered Metal pipeline. Silky on ProMotion. Zero CPU at idle.
CPU
~2%
GPU
0.4ms
FPS
120
⭐
XP & Levels
Every meter your cat walks earns XP. Level up. Track your streak.
Level 7 Kilometer Club
1.2 km72% → Lv 8
🎨
Skins
5 bundled + community marketplace.
Classic
Tora
Vaporwave
Community ∞→
🔴
Laser pointer mode
Right-click the menu bar to release a laser dot. Your cat goes absolutely feral.
🏆
32 achievements — some secret
6 categories, a dedicated wrapped-style window, and hidden ones you discover by accident.
🐾First Step
⚡Speed Demon
🔴Laser Fan
🔥Streak 7
🔒???
🔒???
🔒???
💤Locked
😴
Double-click to nap
The cat sprints to the menu bar to sleep. Click again to wake it.
Running to
menu bar…
🌍
5 languages
Live switching in settings. No restart needed.
🇬🇧 English
🇫🇷 Français
🇯🇵 日本語
🇩🇪 Deutsch
🇪🇸 Español
📐
Resize freely
Scale from 0.5× tiny to 3× kaiju. Pixel-perfect at every size.
$0
Free forever. MIT License.
No ads. No tracking. No account.
View on GitHub
Skins

5 bundled. Community unlimited.

Switch live. Build your own — it's just a 256×128 GIF.

Bundled
Classic
Bundled
Dog
Bundled
Tora
Bundled
Maia
Bundled
Vaporwave
＋
Community
Marketplace
💬
"Wait, what's that
on your screen?"
— Every coworker. Every Zoom call. Every time.
Get started

Up in 30 seconds.

No permissions. No account. No tracking.

1

Download

Grab the .dmg from the latest GitHub Release.

2

Drag to Applications

Open the DMG and drag OnekoMac into your Applications folder.

3

Launch

Open the app. Your cat appears. It follows your cursor. Forever.

Or install with Homebrew
brew install --cask hellov3an/tap/onekomac
↓   Download OnekoMac — Free

macOS 13 Ventura or later · Apple Silicon & Intel · MIT License