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.
Slackin - Create your own public Slack chat community
DocuPost - Sustainably mail letters, checks & postcards online from 75¢
Hamster Pad - A social network built on top of Slack
Future Me - Send an email to your future self
Mio - Powering seamless communication between workplace chat apps.