A peaceful desktop companion that sleeps at the top of your screen. Watch as the cat's tail gently sways while it dreams.
- macOS: Download DMG
- Windows: Download from Windows Repository
sleepingcatreadme.mov
You can place your cat anywhere on your screen like this.
- 🌙 Adorable sleeping cat animation
- 🎯 Stays at the top of your screen
- 🪶 Lightweight and unobtrusive
- 🎨 Hand-drawn artwork
- 💤 Realistic tail movement (62% static body, 38% animated tail)
- 📏 7 size options from tiny (30%) to full screen
- 🖥️ Multi-display support
- 🌸 Smooth, organic animations
- 🎯 Simple right-click controls
- Download the latest release from Releases
- Open the DMG file
- Drag "Sleeping Cat" to your Applications folder
- Launch from Applications
git clone https://github.com/daiokawa/SleepingCat.git
cd SleepingCat
swift build -c release
./create_app_bundle.sh- Download the installer from Releases
- Run "Sleeping Cat Setup X.X.X.exe"
- Follow the installation wizard
- Launch from Start Menu or Desktop shortcut
Windows版のソースコードはwindows/ディレクトリにあります。
git clone https://github.com/daiokawa/SleepingCat.git
cd SleepingCat/windows
npm install
npm run build-win- Launch: Double-click "Sleeping Cat" in Applications
- Move: Click and drag the cat to reposition
- Resize: Right-click on the cat and select from size menu:
- 極小 / Tiny (30%)
- 小 / Small (50%)
- 標準 / Standard (100%)
- 大 / Large (150%)
- 特大 / Extra Large (200%)
- 最大 / Maximum (300%)
- フルスクリーン / Full Screen
- Quit: Right-click and select "終了 / Quit" or use the menu bar 🐱
- macOS 10.15 (Catalina) or later
- Apple Silicon or Intel Mac
- Windows 10/11
- 64-bit system
- Built with Swift and AppKit
- Uses AVFoundation for smooth video playback
- Hybrid static/animated approach for optimal performance
- ProRes 4444 video format with alpha channel
- Built with Electron
- WebM video format with VP9 codec for transparency
- Transparent frameless window
- Cross-platform JavaScript/HTML5
MIT License - See LICENSE file for details
- Original cat video by [your name/source]
- Icon artwork created with love
Cat not appearing?
- Check the top center of your screen
- Make sure no other windows are in full-screen mode
- Try relaunching the app
Multiple cats appearing?
- This has been fixed in v1.0
- Quit all instances and relaunch
Cat position drifting when resizing?
- Fixed in v1.2 with center-based scaling
- Update to the latest version
Want different sizes?
- Right-click for 7 size options
- Full screen mode maintains aspect ratio
Made with ❤️ for cat lovers everywhere