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Best Clerk Alternatives

Reviewed byRoman K

7 alternatives to Clerk in Auth, compared by pricing, DX grade, security, and vendor lock-in.

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Clerk

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Authentication and user management

Pricing: freemium, from $25/mo
Stars: 1.7k
#1

Supabase Auth

Already on Supabase

Price vs Clerk
Free with Supabase
DX Grade
B
Security
A
Lock-in Risk
Low (2/10)
#2

Keycloak

Enterprise SSO, LDAP, full control

Price vs Clerk
$10/mo VPS
DX Grade
C
Security
A
Lock-in Risk
Low (1/10)
#3

Auth.js

Next.js, simple social login

Price vs Clerk
Free (DIY)
DX Grade
B
Security
B
Lock-in Risk
Low (1/10)
#4

Stack Auth

Open source, self-hosted, no MAU pricing

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Price vs Clerk
Free (OSS)
DX Grade
A
Security
B
Lock-in Risk
Low (1/10)
#5

Better Auth

Framework-agnostic, TypeScript-first, lightweight

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Price vs Clerk
Free (OSS)
DX Grade
A
Security
B
Lock-in Risk
Low (1/10)
#6

Hanko

Passkey-first auth, WebAuthn by default

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Price vs Clerk
Free self-hosted
DX Grade
B
Security
B
Lock-in Risk
Low (1/10)
#7

Lucia

Minimal auth library, full control, no vendor

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Price vs Clerk
Free (OSS)
DX Grade
B
Security
B
Lock-in Risk
Low (1/10)

Pricing and traction at a glance

Of the 7 alternatives listed, 4 are tracked with full data: 4 keep a free plan, 3 are open source. Paid entries run from $0/mo (Stack Auth) to $29/mo (Hanko). Better Auth carries the most GitHub traction with 28,900 stars. Switching cost is usually driven by lock-in, not by the sticker price.

ToolPricingFree planGitHub stars
Stack Authopen-source — from $0/moyes6,800
Better Authopen-source — from $0/moyes28,900
Hankofreemium — from $29/moyes7,300
Luciaopen-source — from $0/moyes10,500

FAQ

What are the best Clerk alternatives in 2026?

The top alternatives to Clerk are Supabase Auth, Keycloak, Auth.js, Stack Auth, Better Auth, Hanko, Lucia. Each offers different trade-offs in pricing, developer experience, and lock-in risk.

Is there a free alternative to Clerk?

Several Clerk alternatives offer free tiers or self-hosted options: Supabase Auth (Free with Supabase), Auth.js (Free (DIY)), Stack Auth (Free (OSS)), Better Auth (Free (OSS)), Hanko (Free self-hosted), Lucia (Free (OSS)).

How many Clerk alternatives are tracked here?

7 in the Auth category, compared on price difference, lock-in risk and developer experience where editorial data exists.

Frequently asked questions

What are the best Clerk alternatives in 2026?

The top alternatives to Clerk are Supabase Auth, Keycloak, Auth.js, Stack Auth, Better Auth, Hanko, Lucia. Each offers different trade-offs in pricing, developer experience, and lock-in risk.

Is there a free alternative to Clerk?

Several Clerk alternatives offer free tiers or self-hosted options: Supabase Auth (Free with Supabase), Auth.js (Free (DIY)), Stack Auth (Free (OSS)), Better Auth (Free (OSS)), Hanko (Free self-hosted), Lucia (Free (OSS)).

How many Clerk alternatives are tracked here?

7 in the Auth category, compared on price difference, lock-in risk and developer experience where editorial data exists.