Websites like and Pexels.com have public domain spooky animations. They aren’t as polished as AtmosFX, but they’re 100% free and legal.
Many creators offer . Search for:
You can use any projector with HDMI capabilities hooked up to a laptop to run free, low-resolution test loops or find free similar content on YouTube for prototyping. AtmosFX Digital Decorations Tips for "Solid" Decorations File Formats:
As projection technology becomes cheaper, more companies are entering the market. Competitors like and Spirit Halloween’s projection reels sometimes offer free samples.