Small Wonders · macOS & Windows

Meet three small companions who walk, climb, and settle around your windows. A friendly face, a little surprise, and an occasional thought to brighten your day.
Find your desktop companion ↓See them in motionFor macOS 13+ and Windows 11 · Open-source Software · English & Japanese



Three small personalities
A bearded dragon, a pond turtle, or a leopard gecko. Pick a favorite, invite a few, or let all three keep you company.

A sunny little presence
Bright eyes, a friendly face, and a fondness for a good perch. A little warmth for the edge of your window.

Life at a gentler pace
Sometimes a quiet companion is all you need. Make room for a small turtle and an occasional unhurried thought.

A curious spotted friend
A distinctive spotted coat and plenty to explore. Keep an eye out for this little visitor on your desktop.
SMALL MOVES, BIG PERSONALITY
A small stroll, a climb, a curious peek. Watch your companions explore the edges of everyday desktop life.
A window edge becomes a little climbing adventure.
A cheerful stroll along the top of your window.
A curious turtle takes a look over the edge.
MAKE YOURSELF AT HOME
Give them a favorite spot, then get on with your day. They are happy to share your workspace.
Hold ⌘ on Mac or Ctrl on Windows while dragging a character to a new spot.
Move the pointer over a character and they fade, so you can interact with the window behind them.
A THOUGHT, NOW AND THEN
The time of day, the weather, or simply a passing thought. Choose English or Japanese, add your own lines, or enjoy their company with speech bubbles turned off.
A small thought to share while you work.
The same companions, with a different language.
JUST THE WAY YOU LIKE IT
A few simple settings help your companions feel at home.
Choose the species and how many of each appear at startup.
Adjust the characters and the text in their speech bubbles.
Turn speech bubbles off whenever you prefer a little peace.
Enter a city to enable occasional weather-related remarks.
Explore the settings →
BRING A LITTLE COMPANY HOME
Download Petit Mates for your computer and meet your companions.
Free, Open-source Software.
macOS 13 Ventura or later. Choose Apple Silicon or Intel. Open the DMG, drag Petit Mates into Applications, and launch the app.
Download · Apple SiliconDownload · IntelWindows 11 · x86-64. Extract the ZIP, keep its files together, and launch the app from the extracted folder.
Download · WindowsVersion v1.0.1 · Release notes & all downloads ↗Installation & first steps →A FEW THINGS TO KNOW
Everything you need to feel at home with your new companions.

Petit Mates runs on Macs with macOS 13 or later (Apple Silicon or Intel) and x86-64 PCs with Windows 11. Download the file that matches your computer.
Hold ⌘ on Mac or Ctrl on Windows while dragging. Place your companion along the top or side edges of a window, on the desktop floor, or wherever you would like them to be.
Characters fade when you move the pointer over them, letting you interact with the window behind them. If you would prefer them somewhere else, you can drag them to another spot.
Yes. In Settings → Characters, choose how many of each species appear at startup, from 0 to 5. Set the species you want to at least 1 and the others to 0. At least one character must be enabled overall. You can also add or remove characters from the menu while the app is running. These changes last only for the current session. Restarting restores the counts saved in Settings.
Yes. Open Settings… from the menu bar or system tray, then adjust the size in Display. You can also change the text size in speech bubbles.
Yes. Turn them off in Settings → Speech. In Display, you can set the speech language to Japanese, English, or match your operating system.
Enable weather in Settings → Weather and enter a city name. Petit Mates retrieves the weather over the internet and can choose remarks that match the conditions. The characters will not talk about the weather every time they speak.
Petit Mates restarts when you close the settings window so that your changes take effect. It is normal for the characters to reappear afterward.
No. Petit Mates uses window positions and sizes to work out where the characters can walk. It does not use screen recording to capture what is on your display.
Choose Quit from the Petit Mates menu in the menu bar on Mac or the system tray on Windows.