Adam Kalamchi

Copper Chat — Pay (or get paid) for private one-on-one video calls

Copper — Password-free signups. No social network required.

Overnight — Book a last-minute stay with local hosts

CUPS — Discovery and payment platform for the best local cafes

Update My VC — A modern guide to keeping in touch with your investors.

Waterlogue — Magically turn your photos into watercolor paintings.