Velix.ID - Frictionless Identity verification through Blockchain
NoPass.me - Open-source identity verification
Stripe Identity - The easiest way to verify identities
Identity Verification Tooling - Identity verification software for your in-house KYC team
CertifyMe - Your trusted credential platform
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.