--- title: "SuperTokens Review: Open Source Auth Library | IDSync" description: "SuperTokens is an open source auth library with prebuilt UI and self-hosting. See strengths, limitations and when to choose it." lang: en json-ld: | [ { "@context": "https://schema.org", "@type": "SoftwareApplication", "name": "SuperTokens", "applicationCategory": "SecurityApplication", "applicationSubCategory": "Developer Authentication", "url": "https://supertokens.com", "description": "SuperTokens is an open source authentication library targeted at developers who want a drop-in auth solution without giving up control of user data. It supports email/password, social login, passwordless, MFA, session management and multi-tenancy, and can be self-hosted (often co-located with your database) or consumed as managed SaaS. 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[Home](/) 2. [Directory](/directory) 3. [Developer Authentication](/directory/category/developer-auth) 4. SuperTokens ![SuperTokens company logo](https://www.google.com/s2/favicons?sz=128&domain=supertokens.com) # SuperTokens Open source auth library with prebuilt UI, session management and self-hosted or managed deployment options. Last updated 3 months ago [Visit site](https://supertokens.com) Quick answer ## What is SuperTokens? Short answer SuperTokens is an open source authentication library targeted at developers who want a drop-in auth solution without giving up control of user data. It supports email/password, social login, passwordless, MFA, session management and multi-tenancy, and can be self-hosted (often co-located with your database) or consumed as managed SaaS. It frequently appears as an Auth0 alternative for teams that prioritize self-hosting or open source. Best for Developers who want a self-hostable, open source auth library with prebuilt UI and modern session management. When to choose You want a developer-friendly, open source auth library you can self-host or consume as SaaS. When not to choose You need full CIAM (deep consent, fraud, journey orchestration) or large-scale workforce IAM. Related tools & categories [Customer Identity / CIAM](/directory/category/ciam)[Developer Authentication](/directory/category/developer-auth)[Zitadel](/directory/zitadel)[Auth0](/directory/auth0)[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 - Web and mobile app authentication - Session and token management - Passwordless and social login - Multi-tenant B2B auth ## Strengths - Open source with no lock-in - Self-hostable next to your DB - Solid session and refresh model - Prebuilt UI components ## Limitations & considerations - Smaller feature surface than full CIAM - Enterprise SSO often in paid tiers - Less polished admin UI than Auth0 ## Pricing model summary Open source core is free to self-host. SuperTokens Managed Service has a free tier and paid usage-based plans, plus enterprise options for advanced features. [View vendor pricing page ↗](https://supertokens.com/pricing) ## Integrations OIDC OAuth 2.0 SAML SCIM ## Fit Company size startup, smb, mid\_market Deployment saas, self\_hosted Source open source Pricing model freemium ## 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 SuperTokens vs Zitadel →](/compare/supertokens-vs-zitadel) [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 SuperTokens vs Auth0 →](/compare/supertokens-vs-auth0) [Clerk](/directory/clerk) Clerk provides drop-in authentication UI components and a complete user management platform for React, Next.js, and modern web applications, including B2B organization management and enterprise SSO. [Compare SuperTokens vs Clerk →](/compare/supertokens-vs-clerk) [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 SuperTokens vs Keycloak →](/compare/supertokens-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). SuperTokens 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://supertokens.com/docs/guides)[Pricing ↗](https://supertokens.com/pricing) ### Work at SuperTokens? Claim this profile to keep it current. 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