Top 20 Alternatives to Auth0 in Cyber & Data Security Software

Auth0 is a leading identity‑as‑a‑service (IDaaS) platform that provides authentication, authorization, and user management for applications. Looking for other solutions in the cyber‑security and data‑security space? Below are 20 notable alternatives.

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Top Competitors to Consider
#2 Okta

Enterprise‑grade identity platform offering SSO, MFA, lifecycle management, and API access security.

Scalable consumer identity service built on Azure AD, supporting social logins, custom policies, and MFA.

AWS‑native user sign‑up, sign‑in, and access control with federation to social IdPs and fine‑grained IAM integration.

Google‑backed auth service for mobile/web apps, offering email/password, social, and anonymous sign‑in.

Open‑source identity and access management solution with SSO, LDAP/AD integration, and social login support.

Cloud identity platform delivering SSO, MFA, and unified directory for workforce and customers.

Identity security suite offering SSO, MFA, API security, and intelligent access decisions.

Developer‑focused auth platform with customizable login, MFA, and extensive SDKs for 30+ languages.

#10 Authress

API‑first authorization service that separates authentication from fine‑grained permission management.

#11 JumpCloud

Directory‑as‑a‑service providing SSO, LDAP, RADIUS, and device management for cloud‑first environments.

Comprehensive identity governance suite with SSO, MFA, risk‑based access, and lifecycle automation.

#13 Gluu

Open‑source IAM platform supporting SAML, OpenID Connect, UMA, and strong authentication methods.

Identity platform delivering adaptive authentication, SSO, and identity orchestration for enterprises.

Open‑source OpenID Connect and OAuth 2.0 framework for .NET developers, now commercial under Duende.

#16 Ory Hydra

OAuth2 & OpenID Connect server built for cloud‑native environments, fully open source and highly extensible.

Lightweight identity service for static sites, offering email/password, social logins, and JWT issuance.

Form‑building platform with built‑in authentication via Azure AD, Google, and SAML for secure data capture.

#19 Stytch

Developer‑centric auth APIs for passwordless login, magic links, and multi‑factor authentication.

#20 Passbase

Identity verification and authentication service focused on KYC, biometric checks, and fraud prevention.

Privileged access management platform with zero‑trust MFA, SSO, and session monitoring.