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.
Slack Deletron - Delete files from your Slack Workspace!
DocuPost - Sustainably mail letters, checks & postcards online from 75¢
Slackin - Create your own public Slack chat community
Future Me - Send an email to your future self
Slack Archive - Public, searchable & browseable archive of Slack channels