Dataset Search - Making it easier to discover datasets. Made by Google.
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.
Words - Software for improving your english vocabulary.
Letter to Yourself - Send a physical letter to your future self
Medium - Welcome to Medium, a place to read, write, and interact with the stories that matter most to you.
DocuPost - Sustainably mail letters, checks & postcards online from 75¢