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
DocuPost - Sustainably mail letters, checks & postcards online from 75¢
Sorry Babe - Find the right present for your love, after you screwed up
Love for the Elderly - Send kind letters to elderly folks without family