// about Clerk
Drop-in authentication and user management. Beautiful pre-built components with deep framework integration.
// pros & cons
// pros
- Beautiful pre-built UI
- Great React/Next.js integration
- Multi-factor auth built-in
- Organizations support
// cons
- Expensive at scale
- Vendor lock-in
- Limited backend SDKs
// alternatives in Authentication
#2
Auth.js
📈 RISING
Authentication for the web. Open source, framework-agnostic. Formerly NextAuth.j…
10.0
#3
Supabase Auth
Authentication baked into Supabase. Email, social, phone auth with row-level sec…
9.2
#4
Firebase Auth
Google's authentication service. Easy setup, many providers, great for mobile an…
9.0
#5
Lucia
📈 RISING
Auth library with zero vendor lock-in. Lightweight, framework-agnostic, and full…
8.9
#6
Auth0
Enterprise identity platform by Okta. Powerful, flexible, and battle-tested at s…
8.7
#7
Keycloak
Open source identity and access management. Self-hosted, enterprise-grade, highl…
10.0
#8
WorkOS
🆕 NEW
Auth for B2B SaaS. SSO, SCIM, and directory sync that enterprise customers deman…
9.2
#9
Stytch
Passwordless authentication API. Magic links, OTPs, OAuth — modern auth without …
10.0
#10
Passport.js
The classic Node.js auth middleware. 500+ strategies, battle-tested, and still g…
7.8
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