Alternatives to Auth0

A curated collection of the best Auth0 authentication provider alternatives. Save money and avoid traps with reliable tools hand-picked for you.

Alternatives to Auth0

A curated collection of the best Auth0 authentication provider alternatives. Save money and avoid traps with reliable tools hand-picked for you.

41+ tools collected

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Recommended

Descope

Drag & drop customer identity platform for any app

Use visual workflows, SDKs, and APIs to create and customize identity journeys for customers, partners, AI agents, and MCP servers. Trusted by over 1000 organizations in production.

Recommended

Authsignal

Secure authentication without the engineering complexity

Drop-in passkeys, risk-based adaptive MFA, and omnichannel verification on top of the identity stack you already have. No migration needed. Live in weeks.

Sooauth

Standard OIDC auth with zero database migrations

Open-source OIDC authentication with passkeys, no DB migrations, and 10-second self-hosting. Free cloud beta for AI builders and indie SaaS.

Open Source

MojoAuth

Stop Losing Users to Password Friction

Enterprise-grade passwordless authentication that cuts support tickets by 80% and boosts conversion. One API for OTP, Magic Links, Passkeys, and SSO - deploy in hours, not months.

SSOJet

Enterprise SSO in days, without rebuilding your auth stack

Add SAML SSO, SCIM provisioning, and audit logs to your B2B SaaS in days. Connects to 100+ identity providers alongside your existing auth.

ManyRows

Own your auth stack with one binary deployment

Self-hosted authentication, roles, feature flags & runtime config. Open source solution with one binary, your database, your domain. Built for developers.

Open Source

Authelia

Modern open-source IAM with SSO and multi-factor auth

Free open-source identity and access management platform with single sign-on, multi-factor authentication, and OpenID Connect support for secure application access.

Open Source

Authgear

Secure authentication made simple for developers

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.

Open Source

Better Auth

Full-featured TypeScript authentication in minutes

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

Open Source

Kinde

Beautiful, secure authentication that converts

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

Stytch

Complete auth platform for humans & AI agents

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

Strivacity

Craft lightweight sign-in experiences that wow customers

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

Wristband

Multi-tenant authentication made simple for B2B SaaS

Build secure multi-tenant auth flows quickly with hosted pages, APIs, and SDKs. Enterprise-grade security with tenant isolation, SSO, MFA, and RBAC support.

ZITADEL

Complete identity infrastructure for modern applications

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

Open Source

Scalekit

Enterprise SSO & SCIM for B2B SaaS in hours, not weeks

Complete authentication platform for B2B SaaS with ready-to-deploy SSO, SCIM provisioning, and social logins. Win enterprise customers without dev overhead.

Tesseral

Complete B2B authentication solution in minutes

Open source authentication platform for B2B apps with pre-built UI, enterprise SSO, fine-grained permissions, and API key management. Deploy in minutes.

Open Source

PropelAuth

B2B authentication that gets out of your way

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

Rownd

Authentication & app services that scale to millions

Complete authentication platform with passwordless sign-in, payments, and user management. Free for up to 1M users with pre-built UI components and quick SDK integration.

MagicLabs

Simplify blockchain development with wallet abstraction

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

SlashID

Prevent identity breaches with advanced security

Advanced identity management platform with biometric authentication, risk-based MFA, and HSM-backed encryption to prevent data breaches and boost conversions.

Userfront

Complete authentication platform for modern apps

Full-featured authentication solution with passwordless login, magic links, social login, SSO, MFA, TOTP, and SAML. Serve free, freemium, and enterprise customers seamlessly.

Casdoor

Open-source IAM platform with comprehensive SSO support

UI-first Identity and Access Management platform supporting OAuth 2.0, OIDC, SAML, WebAuthn, MFA, and integration with Google Workspace, Active Directory.

Open Source

Keycloak

Secure apps with open source identity management

Open source identity and access management solution with single sign-on, social login, user federation, and fine-grained authorization for applications.

Open Source

authentik

Unified authentication platform you control

Self-hosted identity provider with flexible workflows, comprehensive APIs, and enterprise-grade security. Over 1 million installations trusted worldwide.

Open Source

Authress

Complete authentication and authorization API solution

Drop-in authentication and authorization API with granular permissions, SSO integrations, social login, and fine-grained access control for modern applications.

Stack Auth

Open-source authentication platform for developers

Complete authentication solution with login pages, user management, OAuth, RBAC, and team features. Open-source alternative to Auth0 and Clerk.

Open Source

Hanko

Modern authentication with passkeys, 2FA, and SSO

Open-source authentication platform offering passwordless login with passkeys, traditional passwords, 2FA, and SSO. Integrate secure user management in minutes.

Open Source

Logto

Complete auth infrastructure with enterprise features

Add multi-tenancy, enterprise SSO, and RBAC to your SaaS or AI apps. OIDC and OAuth 2.1 made simple, fast, and developer-friendly with 50K MAUs free.

Open Source

SuperTokens

Build fast, maintain control, reduce authentication costs

Open source user authentication solution with prebuilt UI, custom password policies, session management, and hosted on your domain. Setup in 5 minutes.

Open Source

Ory

Modern API-first identity stack for secure apps

Battle-tested identity management platform with modular IAM stack, flexible deployment options, and GDPR compliance. Trusted by Fortune 500 companies.

Open Source

Auth.js

Secure authentication for modern web applications

Free, open-source authentication library supporting multiple frameworks like Next.js, SvelteKit, Express, and Qwik with 50+ OAuth providers.

Open Source

Supabase Auth

Complete user management with social logins built-in

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

Open Source

FusionAuth

Complete auth solution with hybrid deployment flexibility

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

Frontegg

Secure, low-code user management for SaaS teams

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

WorkOS

Add enterprise features to your app in minutes

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.

Recommended

Descope

Drag & drop customer identity platform for any app

Use visual workflows, SDKs, and APIs to create and customize identity journeys for customers, partners, AI agents, and MCP servers. Trusted by over 1000 organizations in production.

Recommended

Authsignal

Secure authentication without the engineering complexity

Drop-in passkeys, risk-based adaptive MFA, and omnichannel verification on top of the identity stack you already have. No migration needed. Live in weeks.

Sooauth

Standard OIDC auth with zero database migrations

Open-source OIDC authentication with passkeys, no DB migrations, and 10-second self-hosting. Free cloud beta for AI builders and indie SaaS.

Open Source

MojoAuth

Stop Losing Users to Password Friction

Enterprise-grade passwordless authentication that cuts support tickets by 80% and boosts conversion. One API for OTP, Magic Links, Passkeys, and SSO - deploy in hours, not months.

SSOJet

Enterprise SSO in days, without rebuilding your auth stack

Add SAML SSO, SCIM provisioning, and audit logs to your B2B SaaS in days. Connects to 100+ identity providers alongside your existing auth.

ManyRows

Own your auth stack with one binary deployment

Self-hosted authentication, roles, feature flags & runtime config. Open source solution with one binary, your database, your domain. Built for developers.

Open Source

Authelia

Modern open-source IAM with SSO and multi-factor auth

Free open-source identity and access management platform with single sign-on, multi-factor authentication, and OpenID Connect support for secure application access.

Open Source

Authgear

Secure authentication made simple for developers

Open Source

Better Auth

Full-featured TypeScript authentication in minutes

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

Open Source

Kinde

Beautiful, secure authentication that converts

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

Stytch

Complete auth platform for humans & AI agents

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

Strivacity

Craft lightweight sign-in experiences that wow customers

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

Wristband

Multi-tenant authentication made simple for B2B SaaS

Build secure multi-tenant auth flows quickly with hosted pages, APIs, and SDKs. Enterprise-grade security with tenant isolation, SSO, MFA, and RBAC support.

ZITADEL

Complete identity infrastructure for modern applications

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

Open Source

Scalekit

Enterprise SSO & SCIM for B2B SaaS in hours, not weeks

Complete authentication platform for B2B SaaS with ready-to-deploy SSO, SCIM provisioning, and social logins. Win enterprise customers without dev overhead.

Tesseral

Complete B2B authentication solution in minutes

Open source authentication platform for B2B apps with pre-built UI, enterprise SSO, fine-grained permissions, and API key management. Deploy in minutes.

Open Source

PropelAuth

B2B authentication that gets out of your way

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

Rownd

Authentication & app services that scale to millions

Complete authentication platform with passwordless sign-in, payments, and user management. Free for up to 1M users with pre-built UI components and quick SDK integration.

MagicLabs

Simplify blockchain development with wallet abstraction

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

SlashID

Prevent identity breaches with advanced security

Advanced identity management platform with biometric authentication, risk-based MFA, and HSM-backed encryption to prevent data breaches and boost conversions.

Userfront

Complete authentication platform for modern apps

Full-featured authentication solution with passwordless login, magic links, social login, SSO, MFA, TOTP, and SAML. Serve free, freemium, and enterprise customers seamlessly.

Casdoor

Open-source IAM platform with comprehensive SSO support

UI-first Identity and Access Management platform supporting OAuth 2.0, OIDC, SAML, WebAuthn, MFA, and integration with Google Workspace, Active Directory.

Open Source

Keycloak

Secure apps with open source identity management

Open source identity and access management solution with single sign-on, social login, user federation, and fine-grained authorization for applications.

Open Source

authentik

Unified authentication platform you control

Self-hosted identity provider with flexible workflows, comprehensive APIs, and enterprise-grade security. Over 1 million installations trusted worldwide.

Open Source

Authress

Complete authentication and authorization API solution

Drop-in authentication and authorization API with granular permissions, SSO integrations, social login, and fine-grained access control for modern applications.

Stack Auth

Open-source authentication platform for developers

Complete authentication solution with login pages, user management, OAuth, RBAC, and team features. Open-source alternative to Auth0 and Clerk.

Open Source

Hanko

Modern authentication with passkeys, 2FA, and SSO

Open-source authentication platform offering passwordless login with passkeys, traditional passwords, 2FA, and SSO. Integrate secure user management in minutes.

Open Source

Logto

Complete auth infrastructure with enterprise features

Add multi-tenancy, enterprise SSO, and RBAC to your SaaS or AI apps. OIDC and OAuth 2.1 made simple, fast, and developer-friendly with 50K MAUs free.

Open Source

SuperTokens

Build fast, maintain control, reduce authentication costs

Open source user authentication solution with prebuilt UI, custom password policies, session management, and hosted on your domain. Setup in 5 minutes.

Open Source

Ory

Modern API-first identity stack for secure apps

Battle-tested identity management platform with modular IAM stack, flexible deployment options, and GDPR compliance. Trusted by Fortune 500 companies.

Open Source

Auth.js

Secure authentication for modern web applications

Free, open-source authentication library supporting multiple frameworks like Next.js, SvelteKit, Express, and Qwik with 50+ OAuth providers.

Open Source

Supabase Auth

Complete user management with social logins built-in

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

Open Source