NoPass.me - Open-source identity verification
Veriff - Smart and scalable identity verification.
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.
Shufti Pro - Shufti Pro offers AI-based KYC and AML screening solutions empowered with biometric authentication.
Civic Token - Access to identity verification via the blockchain
iovation - iovation offers device-based solutions for fraud prevention and authentication.