Hexclave (Stack Auth)

Open-source auth and user management with prebuilt UI, teams and a hosted dashboard; formerly Stack Auth, can be self-hosted.

Renamed: Stack Auth is now Hexclave; stack-auth.com redirects to hexclave.com. Source ↗

Visit hexclave.com ↗Pricing & calculator Alternatives

Works with AI agents:llms.txt CLI

Ask your AI about this, with this page as the source:ChatGPT ↗Claude ↗Perplexity ↗

Where it fits

Authentication · Open-source serviceA Clerk-style developer experience you can also self-host.Trade-off: Younger ecosystem than the incumbents.

How Hexclave (Stack Auth) itself is built

6 tools, from its own code, website and Product Hunt page.

Who uses it

2 makers' products, each linked to the source that shows it, and 1 open-source projects that declare it in their code.

The maker says so 2Declared in code 1How evidence is collected →

Sort

QuetzalStripe for internationalization

“I love Stack for being open source and making it super easy to add auth. Love the team and love the product!”

AuthenticationMaker says so · source ↗

VokerThe Agent Analytics Platform for AI Product Teams

“Makes auth setup easy, great support from the team, open source.”

AuthenticationMaker says so · source ↗

eigent Eigent: The Open Source Cowork Desktop - Local and Free Alternative to Claude Cowork and…AuthenticationIn its code · source ↗

Open source: a project that declares Hexclave (Stack Auth) as a dependency in its public code — verifiable, but not necessarily a live product.

What makers say

2 makers on why they use Hexclave (Stack Auth), in their own words on Product Hunt.

I love Stack for being open source and making it super easy to add auth. Love the team and love the product!

Quetzal Sep 2026 ↗

Makes auth setup easy, great support from the team, open source.

Voker Sep 2026 ↗

Alternatives to Hexclave (Stack Auth)

All alternatives by situation →

ClerkDropping prebuilt sign-in, profile and organization UI into a React or Next.js app.Free tier307 makers · authentication

SupabaseApps already on Supabase — auth is part of the same project as the database.Open sourceFree tier13 makers · authentication

FirebaseMobile and client-heavy apps already using Firebase.Free tier4 makers · authentication

Better AuthTypeScript apps that want users and sessions in their own database, at no cost.Open sourceFree tier6 makers · authentication

WorkOSB2B SaaS that will need enterprise SSO and directory sync.Free tier19 makers · authentication

Auth0Complex identity needs and enterprise compliance.Free tier21 makers · authentication

KeycloakA self-hosted identity server with SSO, OpenID Connect, SAML and user federation for several apps at once.Open sourceFree tier3 makers · authentication

LogtoOpen-source OIDC auth with hosted sign-in pages, organizations and roles, on a cloud with 50,000 free monthly active users or on your own servers.Open sourceFree tier2 makers · authentication

SuperTokensOpen-source auth with prebuilt login UI and backend SDKs, self-hosted for free or on their cloud.Open sourceFree tier1 makers · authentication

On Product Hunt, people weigh it against: Clerk, PropelAuth, WorkOS, Auth0, Stytch, Kinde, Logto, BoxyHQ, Descope.

Questions makers ask about Hexclave (Stack Auth)

Is Hexclave (Stack Auth) free?

Yes — there is a free tier a small product can run on; paid use starts at $49/mo. source ↗

Is Hexclave (Stack Auth) open source or self-hostable?

Open source, and you can self-host it. source ↗

Can AI coding agents work with Hexclave (Stack Auth)?

It serves an llms.txt docs index; it has an official CLI (@hexclave/cli).

Who uses Hexclave (Stack Auth)?

2 makers' products we track, each with a source, and 1 open-source projects declare it in their code. source ↗