NoPass.me - Open-source identity verification
Bitcoin Flip - Trading Simulator for all the popular crypto currencies.
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.
Bitcoin Hero - Bitcoin trading simulator with real-time prices
Civic Token - Access to identity verification via the blockchain
Blockchain Demo - Visual demonstration of blockchain technology