An interactive desktop cat that reacts to your keystrokes

Screenshot from the project’s own README · tap to enlarge
BongoCat is an open-source desktop pet for Windows and macOS. The cat's eyes and paws follow your mouse movements and tap along with your keyboard, mouse, and gamepad presses. It runs completely offline without collecting any data.
Not sure how to install, or if it’s safe? Read the beginner guide
Yes, BongoCat is completely free and open-source under the Apache-2.0 license.
It is open source (Apache-2.0 license) with 24,615 GitHub stars, last updated 2026-10-28. Download only from the official link on this page, and scan the file before installing: see the safety checklist in our beginner guide.
Yes, BongoCat runs entirely offline on your computer without collecting any personal data.
Compiled from the project README. 24,615 GitHub stars (2026-11-13) · License Apache-2.0 · Last update 2026-10-28