Cryptominded - Where you learn more about cryptocurrencies
NoPass.me - Open-source identity verification
Crypto Buyer's Guide - Extensive cryptocurrency buying guide
Amazon Cognito - Amazon Cognito lets you add user sign-up, sign-in, and access control to your web and mobile apps quickly and easily. It scales to millions of users and supports sign-in with social identity providers and enterprise identity providers via SAML 2.0.
Robinhood - Free stock trading service.
Civic Token - Access to identity verification via the blockchain