Red Stamp Cards - Red Stamp Cards is a fabulous mobile app that facilitates its users to greet their friends and family with excellent paper cards and notes.
Lumoid Locals - Peer-to-peer marketplace for short-term gadget rentals
Make It Rain - Random gifs when you get paid via Stripe (Slack and Hipchat)
Grover - Rent electronics for a month & try it before you buy.
Knife Bounty - Knife Bounty is an exciting gaming app that provides you a variety of knife hitting and shooting games.
Nespresso Index - The caffeinated version of the Big Mac Index.