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Best Stack Auth Alternatives

Reviewed byRoman K

3 alternatives to Stack Auth in Authentication, compared by pricing, DX grade, security, and vendor lock-in.

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Stack Auth

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Open source Clerk alternative

Pricing: open-source, from $0/mo

Stars: 6.8k

Clerk

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Pricing

freemium ($25+/mo)

GitHub Stars

1.7k

Weekly Downloads

1.5M

Better Auth

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Pricing

open-source

GitHub Stars

28.9k

Weekly Downloads

4.3M

Hanko

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Pricing

freemium ($29+/mo)

GitHub Stars

7.3k

Pricing and traction at a glance

Of the 3 alternatives listed, 3 are tracked with full data: 3 keep a free plan, 1 are open source. Paid entries run from $0/mo (Better 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.

Tool	Pricing	Free plan	GitHub stars
Clerk	freemium — from $25/mo	yes	1,720
Better Auth	open-source — from $0/mo	yes	28,900
Hanko	freemium — from $29/mo	yes	7,300

FAQ

What are the best Stack Auth alternatives in 2026?

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

Is there a free alternative to Stack Auth?

Several Stack Auth alternatives offer free tiers or self-hosted options: check individual pricing pages for current free tier availability.

How many Stack Auth alternatives are tracked here?

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

Full Stack Auth Profile →

Frequently asked questions

What are the best Stack Auth alternatives in 2026?▾

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

Is there a free alternative to Stack Auth?▾

Several Stack Auth alternatives offer free tiers or self-hosted options: check individual pricing pages for current free tier availability.

How many Stack Auth alternatives are tracked here?▾

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