NoPass.me - Open-source identity verification
OpenKiosk - OpenKiosk is a cross platform kiosk web browser based on Mozilla Firefox that can be easily installed and used to secure a computer for use as a public terminal.
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.
Netkiosk Kiosk Software. - Trusted by Government, Business and Education World-wide
Civic Token - Access to identity verification via the blockchain
KioWare - KioWare is kiosk software that acts as a secure kiosk browser.