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.
Civic Token - Access to identity verification via the blockchain
Identity Verification Tooling - Identity verification software for your in-house KYC team
BlockScore - The intelligent ID verification system
0xcert - Your ID, degree or house. 0xcert-ified on the blockchain
Identance - A tool to identify and verify your users