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.
Handwrytten - Handwritten notes straight from your device. Huge selection of cards or design your own. Handwriting service integrates with 1000's of apps.
DocuPost - Sustainably mail letters, checks & postcards online from 75¢
Felt for iPhone - Handwritten cards for the modern world
SendLetters - Send Documents, Invoices, Letters physically to anywhere in the worldHave Documents Printed, Folded and Mailed by us, starting at $1
Thankbot - Drive more business with handwritten notes