WorkOS Alternatives & Competitors

Auth0 is a program for people to get authentication and authorization services for their own business use.

Key Auth0 features:

Ease of Use Security Scalability Customization

Open Source

Clerk.io, the artificial intelligence for e-commerce that knows your customers interests.

Key Clerk features:

Personalization Ease of Integration Data-Driven Insights Automation

Open Source

Enterprise rotating residential proxies starting at $0.65/GB, covering 190+ countries. Use promo code thor020 for extra discounts, ideal for web scraping and cross-border multi-account management.

Key Thordata features:

Global IP Coverage Rotating Residential Proxy Pricing Flexible Session Control Full Tool Compatibility

Try for free freemium $0.65 / Monthly (GB) Sponsored

Elegant user management, tailor-made for B2B SaaS.

Key Frontegg features:

User Management Seamless Integration Customizable UI Security Features

Open Source freemium

Kinde provides Authentication tools and infrastructure to helps SaaS businesses accelerate their product development. Every day, Kinde gives the best teams in the world, everything they need to build, secure, monetize, and manage a more modern web.

Key Kinde features:

Passwordless Social SSO Enterprise SSO Multi-factor authentication

freemium $25 / Monthly (Professional plan starting from 10,500 monthly active users)

Amazon Cognito lets you add user sign-up, sign-in, and access control to your web and mobile apps quickly and easily. It scales to millions of users and supports sign-in with social identity providers and enterprise identity providers via SAML 2.0.

Key Amazon Cognito features:

Scalability Security Integrations Federated Identities

Drag-and-drop authentication for your app.

Key Descope features:

Ease of Use Comprehensive Features Customizable Scalability

PropelAuth hosts and manages your authentication.

Key PropelAuth features:

Enterprise SSO/SAML Roles and Permissions (RBAC) 2FA Passwordless/Magic Links

freemium

Clerk is a complete suite of embeddable UIs, flexible APIs, and admin dashboards to authenticate and manage your users.

Key Clerk Authentication features:

Multifactor Authentication Advanced security Session Management Email and SMS one-time passcodes

Open Source

Enterprise-grade identity management for all your apps, users & devices.

Key Okta features:

Comprehensive Identity Management Ease of Integration User-Friendly Interface High Security Standards

Open Source Identity and Access Management for modern Applications and Services.

Key Keycloak features:

Open-Source Feature-Rich Customizability Integration Capability

Open Source

FusionAuth is a CIAM platform that is 100% free for unlimited users.

Key FusionAuth features:

Comprehensive Feature Set Developer Friendly Self-Hosted and SaaS Options Scalable

Open Source freemium

Security Building Blocks for the AI era! AI Security - LLM Vault, Authentication - SAML/OIDC SSO, Directory Sync (SCIM 2.0), Audit Logs, Data Privacy Vault, and more!

Key BoxyHQ features:

Ease of Integration Compliance Developer-Friendly Customizable

Open Source free $49 / Monthly (Per connection)

All-in-one SaaS backend as one npm install: auth, Stripe billing, usage metering, workflows, email, notifications, RBAC, CMS. BYO Stripe means 0% platform fee. Self-hosted on your own infra with Docker, or fully managed cloud.

Key BuildBase.app features:

Usage-Based Billing BYO Stripe (0% Platform Fee) Self-Hosted with Docker Visual Workflow Automation

paid Free Trial $49 / Monthly