Browse Auth0 Alternatives for B2B Authentication

B2B authentication providers offer scalable solutions for organization-based access, CIAM use cases, and enterprise integrations. Below is a list of authentication providers designed for business-to-business use cases.

Better Auth

Full-featured TypeScript authentication in minutes

Open Source

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

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

Open Source

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

Tesseral

Complete B2B authentication solution in minutes

Open Source

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

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.

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.

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.

Descope

Drag & drop customer identity platform for any app

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

Casdoor

Open-source IAM platform with comprehensive SSO support

Open Source

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

Keycloak

Secure apps with open source identity management

Open Source

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

authentik

Unified authentication platform you control

Open Source

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

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

Open Source

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

Hanko

Modern authentication with passkeys, 2FA, and SSO

Open Source

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

SuperTokens

Build fast, maintain control, reduce authentication costs

Open Source

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

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.

Supabase Auth

Complete user management with social logins built-in

Open Source

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

Browse Auth0 Alternatives for B2B Authentication

B2B authentication providers offer scalable solutions for organization-based access, CIAM use cases, and enterprise integrations. Below is a list of authentication providers designed for business-to-business use cases.

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