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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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Currently using

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.