--- title: "Ory Review: Open Source Identity and Authorization | IDSync" description: "Ory is an open source identity, OAuth2 and authorization stack. See strengths, limitations and when to choose it over Auth0 or Keycloak." lang: en json-ld: | [ { "@context": "https://schema.org", "@type": "SoftwareApplication", "name": "Ory", "applicationCategory": "SecurityApplication", "applicationSubCategory": "Developer Authentication", "url": "https://www.ory.sh", "description": "Ory is an open source identity and authorization ecosystem made up of several focused components: Kratos for identity, Hydra for OAuth2 / OIDC, Keto for authorization (Google Zanzibar-inspired) and Oathkeeper for zero trust access. Teams can self-host the open source stack or use Ory Network, the managed SaaS. 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It tends to appeal to engineering-heavy teams that want composable identity primitives rather than a packaged CIAM product." } }, { "@type": "Question", "name": "Who is Ory best for?", "acceptedAnswer": { "@type": "Answer", "text": "Engineering teams that want composable, open source identity and authorization primitives, self-hosted or as SaaS." } } ] }, { "@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [ { "@type": "ListItem", "position": 1, "name": "Home", "item": "https://idsync.com/" }, { "@type": "ListItem", "position": 2, "name": "Directory", "item": "https://idsync.com/directory" }, { "@type": "ListItem", "position": 3, "name": "Developer Authentication", "item": "https://idsync.com/directory/category/developer-auth" }, { "@type": "ListItem", "position": 4, "name": "Ory", "item": "https://idsync.com/directory/ory" } ] } ] --- [![IDSync — identity software buyer platform](/assets/idsync-logo-BKS89EW4.png)](/) [Directory](/directory) [Compare](/compare) [Resources](/resources) [Browse tools](/directory)[Run Stack Finder](/stack-finder) 1. [Home](/) 2. [Directory](/directory) 3. [Developer Authentication](/directory/category/developer-auth) 4. Ory ![Ory company logo](https://www.google.com/s2/favicons?sz=128&domain=ory.sh) # Ory Open source identity, authorization and zero trust stack (Kratos, Hydra, Keto, Oathkeeper) available self-hosted or as Ory Network SaaS. Last updated 3 months ago [Visit site](https://www.ory.sh) Quick answer ## What is Ory? Short answer Ory is an open source identity and authorization ecosystem made up of several focused components: Kratos for identity, Hydra for OAuth2 / OIDC, Keto for authorization (Google Zanzibar-inspired) and Oathkeeper for zero trust access. Teams can self-host the open source stack or use Ory Network, the managed SaaS. It tends to appeal to engineering-heavy teams that want composable identity primitives rather than a packaged CIAM product. Best for Engineering teams that want composable, open source identity and authorization primitives, self-hosted or as SaaS. When to choose You have an engineering team that wants open source identity, fine-grained authorization and the option to self-host. When not to choose You want a one-click hosted CIAM with prebuilt UIs and minimal infrastructure work. Related tools & categories [Customer Identity / CIAM](/directory/category/ciam)[Developer Authentication](/directory/category/developer-auth)[Zitadel](/directory/zitadel)[SuperTokens](/directory/supertokens)[Run the IAM Stack Finder](/stack-finder)[Report: The State of AI Agent Identity 2026](/reports/state-of-ai-agent-identity-2026) ## Categories [Customer Identity / CIAM](/directory/category/ciam)[Developer Authentication ★](/directory/category/developer-auth) ## Common use cases - Custom auth flows - OAuth2 / OIDC providers - Fine-grained authorization (relationship-based) - Zero trust access proxy ## Strengths - Open source, no vendor lock-in - Composable per-concern services - Strong standards compliance - Active community ## Limitations & considerations - You assemble pieces yourself - Less out-of-the-box UI than Auth0 / Clerk - Self-hosting requires real ops investment ## Pricing model summary Open source components are free to self-host. Ory Network SaaS uses usage-based pricing tied to monthly active users and projects, with a free tier and paid plans. [View vendor pricing page ↗](https://www.ory.sh/pricing/) ## Integrations OIDC OAuth 2.0 SAML SCIM Kubernetes ## Fit Company size startup, smb, mid\_market, enterprise Deployment saas, self\_hosted, hybrid Source open source Pricing model usage\_based ## Alternatives & comparisons [Zitadel](/directory/zitadel) Open source identity and access platform with built-in multi-tenancy, SSO, MFA and a managed Zitadel Cloud SaaS. [Compare Ory vs Zitadel →](/compare/ory-vs-zitadel) [SuperTokens](/directory/supertokens) Open source auth library with prebuilt UI, session management and self-hosted or managed deployment options. [Compare Ory vs SuperTokens →](/compare/ory-vs-supertokens) [Auth0](/directory/auth0) Auth0 is a developer-centric customer identity and access management (CIAM) platform offering authentication, authorization, and user management for web and mobile applications, now operating as Okta Customer Identity Cloud. [Compare Ory vs Auth0 →](/compare/ory-vs-auth0) [Keycloak](/directory/keycloak) Keycloak is the most widely deployed open source IAM platform, providing enterprise-grade SSO, MFA, SAML, OIDC, LDAP, and Kerberos support in a self-hosted, Apache 2.0 licensed package maintained by Red Hat. [Compare Ory vs Keycloak →](/compare/ory-vs-keycloak) IDSync provides educational buyer guidance based on publicly available information, editorial review, and user-submitted data. Vendor information should be verified before purchase. [Who we are, our methodology & disclosure policy](/about). Ory and its logo are trademarks of their respective owner. IDSync is an independent buyer resource and does not imply endorsement unless explicitly stated. ### Take action [Request vendor shortlist](/request-shortlist)[Run the IAM Stack Finder](/stack-finder)[Request vendor intro](/contact)[Docs ↗](https://www.ory.sh/docs/)[Pricing ↗](https://www.ory.sh/pricing/) ### Work at Ory? Claim this profile to keep it current. 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