Let it snow on your desktop and have Santa and his reindeer fly around your screen for that Extra Festive Season Cheer, while snow piles up on top of your windows (really!). Maybe there's a polar bear somewhere too, and if you have been good this year, Sinterklaas (Saint Nicholas) has arrived, as well!

Version 3.0.2 introduces new features:

Platform: macOS / OS X
Last updated: December 7th 2021
Version: 3.0.2

[Click for bigger picture]
[Click for settings]
[Click for the Help page]

What is new (3.0.2)

• Moon: moves over your desktop, with proper rise and set times for your location on Earth. Actual illumination is shown for the moon age, or, optionally select your preferred moon age, or just have the Moon animate very quickly.
• Sun: also moves across your desktop, with actual rise and set times for your geolocation.
• If you like the sun and moon to always feature on your desktop you can make them "always visible", even if they are behind the horizon.
• Earth: although the Earth does not feature in our sky you can have it on your desktop. Moving or stationary.
• Aurora Borealis: the Northern Lights on your desktop.
• Save settings to a file, incl. Aurora
• You can pick up Santa or the bear with the mouse and place them somewhere else.

• Aurora: northern lights on your desktop. See the Help page for instructions.
• Save settings to a file, incl. Aurora
• You can pick up Santa or the bear with the mouse and place them somewhere else.

• Sinterklaas has arrived!
• Optionally fallen snow on the screen bottom is not wiped by windows over it.

• Smoother movement
• More snowflakes
• Sinterklaas has arrived

Startup problems
If iSnow does not startup or crashes at startup: hold down the option-key while starting the application.
This will reset the preferences. Please contact me if you cannot resolve this.

Multiple monitors
To have snow on multiple monitors you need to have the checkbox in System Preferences -> Mission Control -> Displays have separate spaces OFF: