Auth0 Alternatives with Rate Limits

Open-source and complete authentication solution that is suitable for B2C and B2B use cases. Self-hosted and SaaS options, beautiful and custom login page. OIDC and SAML SSO support. Support passkeys.

Comprehensive TypeScript authentication framework with email/password, OAuth, 2FA, multi-tenant support, and framework-agnostic design for modern apps.

Modern authentication platform with social login, magic codes, and enterprise SSO. Boost conversion rates by 54% with passwordless auth and beautiful onboarding.

APIs and SDKs for authentication, authorization, and security. Features multi-tenancy, enterprise SSO, MFA, RBAC, and AI agent identity management.

AI-driven CIAM platform offering passwordless authentication, fraud detection, identity verification, and self-service management to boost conversion rates.

Multi-tenant, API-first identity platform with comprehensive SDKs, authentication, authorization, and extensibility features for developers and enterprises.

Complete authentication solution built specifically for B2B products. Features organization management, RBAC, enterprise security, and thoughtfully designed client libraries for any tech stack.

Build onchain applications with embedded wallets, API wallets, and Newton AI agents. Trusted by 190,000+ developers and 40M+ users worldwide.

Build custom authentication flows with visual workflows, SDKs, and APIs. Reduce user friction, prevent account takeover, and get 360° customer identity views.

Built-in authentication system with social providers, PostgreSQL policies, and user management. No external services needed - own your data completely.

Complete Customer Identity and Access Management (CIAM) platform with SSO, MFA, OAuth2, and OpenID Connect. Deploy anywhere with security-first design.

Remove developer dependencies with secure user management platform. Features multi-tenancy, MFA, admin portals, and enterprise-grade security for B2B & B2C SaaS.

Developer APIs and SDKs for enterprise-ready features like Single Sign-On, Directory Sync, and Audit Logging. Start selling to enterprise customers with just a few lines of code.

Add secure sign-up, sign-in, and access control to web and mobile apps in minutes. Fully managed CIAM solution that scales to millions of users with advanced security features.

Rapidly integrate secure authentication and authorization for web, mobile, and legacy applications. Focus on your core business with 30+ SDKs and quickstarts.