Identity & Auth

Okta provides identity and access management services that secure authentication and authorization for employees, customers, and AI agents.

Auth0 provides authentication and authorization services that let developers add login, single sign‑on, multi‑factor authentication, and access control to web, mobile, and API applications. It is used by developers and enterprises to secure users, AI agents, and other services.

WorkOS offers APIs and SDKs that enable developers to add enterprise authentication, directory synchronization, and audit‑logging features to their applications. It is used by software teams building apps for enterprise customers.

Clerk is an authentication and user management platform for web applications. It provides SDKs, UI components, and APIs that let developers add sign‑up, sign‑in, profile, organization, and billing features to their apps.

Stytch provides APIs and SDKs that let developers add authentication, authorization, and security features to web and mobile applications. It supports passwords, passkeys, single sign‑on, multi‑factor authentication, and other enterprise auth capabilities.

Ory provides identity and access management APIs and services that let applications, enterprises, and AI agents authenticate users and control permissions. It offers self‑hosted, cloud‑native, and SaaS deployments for developers and organizations.

Persona provides online identity verification software that lets organizations collect, verify, and manage user identities throughout the customer lifecycle.

FullContact offers identity resolution tools that connect different digital identifiers to build unified customer records for businesses. The service lets companies recognize individual people in real time across their data.

Entrust provides identity, payment, and data security solutions—including identity verification, digital card issuance, authentication, and cryptographic key and certificate management—for governments, financial institutions, and enterprises.

GBG provides identity verification, biometric verification, and fraud detection services that enable organizations to validate customers' identities and locations. Its platform also offers risk analysis, compliance tools, and access to global identity data for businesses.

Prove offers a digital identity verification and authentication platform that enables businesses to confirm user identities, prevent fraud, and streamline onboarding.

Cisco Duo offers identity security and multi-factor authentication services that let organizations manage user access and protect against identity-related threats.

Ping Identity offers identity and access management software that secures digital interactions for enterprise employees, partners, and customers.

Veriff provides AI-based identity verification and KYC/AML compliance services that businesses use to authenticate users and prevent fraud. Its platform analyzes documents and biometric data to confirm user identities for companies worldwide.

Prelude offers a platform that combines device, network, and signup signals to make onboarding decisions, allowing businesses to verify users and reduce fraud.

Yoti provides digital identity and verification services—including document checks, age assurance, reusable digital ID wallets, and electronic signatures—for businesses and governments to confirm customers' identities.

Data Zoo provides an API that delivers identity data from many regional sources in multiple countries, enabling enterprises and verification platforms to perform global customer identity verification. The service is used by fintechs, digital platforms, and other businesses to verify customers during onboarding.

Mitek provides an identity verification and fraud detection platform that businesses use to authenticate customers, prevent fraud, and comply with regulatory requirements.

PropelAuth provides authentication and user management services for B2B SaaS applications. It offers cloud‑hosted and self‑hosted solutions that let developers integrate login, role‑based access control, SSO, and related auth features into their products.

SSO-Monitor is an open-source framework that continuously scans millions of websites to detect and record Single Sign-On implementations, creating a publicly available SSO-Archive for security researchers. The archive provides data such as login page URLs, detected identity providers, and security metrics for research purposes.

Regula offers identity verification solutions and forensic devices that enable automated document verification and biometric checks for enterprises and government agencies.

Frontegg offers a low-code CIAM platform that secures identity and access for SaaS applications across all entry points, including APIs and user interfaces. SaaS product teams use it to add authentication and authorization without building those capabilities themselves.

Sumsub provides an identity verification platform that enables businesses to verify users and transactions, perform KYC, AML and fraud checks, and manage compliance workflows. It is used by fintech, gaming, crypto and other companies to automate onboarding and risk assessment.

Keycloak is an open source identity and access management platform that provides single sign-on, authentication, user federation, and authorization for applications and services. It is used by developers and administrators to manage user login and access across multiple systems.