ValentineCoin - ValentineCoin is a coin based on Ethereum blockchain, which users can use to send to their loved ones by engraving a message on it, which will stay forever in the blockchain.
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.
obliterate.me - Draw on Donald Trump
Love for the Elderly - Send kind letters to elderly folks without family
HeartMail - Valentine’s day is approaching.
DocuPost - Sustainably mail letters, checks & postcards online from 75¢