Ethereum Syllabus - A complete Ethereum learning track, packed with resources
NoPass.me - Open-source identity verification
Ethereum Price - ETH live price + updates from the industry
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.
Pragma - The home base for Ethereum developers.
Civic Token - Access to identity verification via the blockchain