# Authentication & User Management

Developer platforms for adding login, signup, SSO, and user management to an app.

## Tools (6)

- Auth0: Hosted login, signup, and user management for apps, backed by Okta (https://topalternatives.to/tools/auth0)
- Clerk: Drop-in login, signup, and user management components for your app (https://topalternatives.to/tools/clerk)
- Frontegg: Login, user management, and B2B identity infrastructure for SaaS apps (https://topalternatives.to/tools/frontegg)
- Stytch: API-first login, signup, and user management for developers who want to build the UI themselves (https://topalternatives.to/tools/stytch)
- SuperTokens: Open-source login and user management you can self-host or run as a managed service (https://topalternatives.to/tools/supertokens)
- WorkOS: Login, user management, and enterprise SSO for your app, priced per feature you turn on (https://topalternatives.to/tools/workos)

## Alternatives guides (6)

- Top Auth0 Alternatives (https://topalternatives.to/auth0-alternatives)
- Top Clerk Alternatives (https://topalternatives.to/clerk-alternatives)
- Top Frontegg Alternatives (https://topalternatives.to/frontegg-alternatives)
- Top Stytch Alternatives (https://topalternatives.to/stytch-alternatives)
- Top SuperTokens Alternatives (https://topalternatives.to/supertokens-alternatives)
- Top WorkOS Alternatives (https://topalternatives.to/workos-alternatives)

---

HTML version: https://topalternatives.to/categories/auth