ICODrops - ICO calendar, ratings, bounty list and more
NoPass.me - Open-source identity verification
ICOholder - ICOholder contains a complete list of all ICO, IEO (Initial Exchange Offerings) and tokens crowdsale with detailed information, rating and analysis.
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.
ICObench - ICOs ratings from blockchain investors
Civic Token - Access to identity verification via the blockchain