Synthesia Santa - Send fun & free personalized AI Videos from Santa 🎅
Letterflix - Send letters and snail mail online to the USA, Europe, India, or anywhere in the world. Letterflix is the easiest and secure way to send letters and snail mail anywhere in the world from the comfort of your home.
Visheo - Your video wishes for any occasion. Christmas greetings app.
DocuPost - Sustainably mail letters, checks & postcards online from 75¢
Help Santa - An experimental mini game with HTML, CSS, SVG and JS
Letter to Yourself - Send a physical letter to your future self