NoPass.me - Open-source identity verification

Cryptominded - Where you learn more about cryptocurrencies

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.

Dead Coins - Curated list of cryptocurrencies forgotten by this world

Civic Token - Access to identity verification via the blockchain

CryptoWeekly - A weekly newsletter covering cryptocurrency