Auth & Identityauthssoidentitysecurity
Auth0 Alternatives
Auth0 alternatives for authentication and identity – including Clerk, Supabase Auth and Keycloak.
Overview
- Original
- Auth0
- Best for
- Teams choosing between managed and self-hosted identity
- Pricing
- Free tiers for small projects; usage-based or self-hosted at scale
- Features
- Single sign-onUser managementRole-based access
Recommended alternatives
Hand-picked tools with pros, cons and direct links.
1
Visit ClerkClerk
RecommendedBest for: Modern web apps that want auth fast
Developer-first auth with prebuilt UI and user management.
Pros
- +Fast integration
- +Prebuilt components
- +Good Next.js support
Cons
- −Usage-based pricing
- −Less self-hosting
2
Visit Supabase AuthSupabase Auth
Best for: Teams already using Supabase
Auth built into the Supabase platform with row-level security.
Pros
- +Open-source core
- +Integrated database
- +Self-host option
Cons
- −Fewer enterprise features
- −Tied to Supabase
3
Visit KeycloakKeycloak
Best for: Enterprises that need self-hosted SSO
Open-source identity and access management for enterprises.
Pros
- +Self-hosted
- +SSO and federation
- +Mature standards support
Cons
- −Complex setup
- −Operational overhead