CodeCanyon - 5sec Snow v1.55 - Premium WordPress Plugin - 851002

WordPress and non-WordPress versions bundled | works with all themes, CSS frameworks and site layouts | flakes don’t cover other elements on the page; you can click through them | melting and rotating effects for added realism | 8 options for snow customization | 8 flake types including colorful presents and Christmas ornaments | flakes can be turned into links for holding sweepstakes and easter egg type games | auto-disable snow on preset date | snow can be disabled on mobile devices | per-user snow disabling – any user can disable snow if he doesn’t like it | highly optimized jQuery code, only 3Kb | very easy to install on non-WP sites

DEMO:
https://codecanyon.net/item/5sec-snow/851002