Handwrytten - Handwritten notes straight from your device. Huge selection of cards or design your own. Handwriting service integrates with 1000's of apps.

LOKRRROOM - A professional networking platform for athletes & sponsors

Mailjoy - Delightfully easy direct mail marketing. A DIY direct mail tool created for marketing and growth teams. Design, mail & track personalized direct mail postcards and letters. Digital marketers use Mailjoy to send data-driven mail campaigns.

Startup Playbook - Written by Sam Altman & Illustrated by Gregory Koberger

The Simple Postcard - Text a photo to mail it as a postcard

The Startup Playbook - How-to guide for building your startup from the ground up