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  1. Home
  2. Alternatives
  3. Alternatives to Clerk
C

Best Alternatives to Clerk

Auth · 8 alternatives ranked of 19 in the category

Looking for alternatives to Clerk? These are the auth tools that score highest on adoption, reviews, benchmarks, and public code, with what separates each one from Clerk.

Better Auth logo
Better Auth

Auth· better-auth.com

Open source

Open-source TypeScript authentication framework for modern apps.

30,019
Open source

How each alternative differs from Clerk

Ranked by adoption, review, benchmark, and repository signals. Each note below is drawn from the two products’ own catalog records, so a product with nothing to separate it from Clerk carries no note.

  1. 1

    Better Auth

    Better Auth is listed as open source, while Clerk is not, is open source against Clerk's freemium model, and carries 30k GitHub stars to Clerk's 1.8k.

  2. 2

    Destructive Command Guard

    Destructive Command Guard is listed as open source, while Clerk is not, is open source against Clerk's freemium model, and carries 6.0k GitHub stars to Clerk's 1.8k.

  3. 3

    OneCLI

    OneCLI is listed as open source, while Clerk is not, is free against Clerk's freemium model, and carries 3.5k GitHub stars to Clerk's 1.8k.

  4. 4

    Open Connector

    Open Connector is listed as open source, while Clerk is not, is open source against Clerk's freemium model, and carries 5.8k GitHub stars to Clerk's 1.8k.

  5. 5

    Unkey

    Unkey is listed as open source, while Clerk is not and carries 5.4k GitHub stars to Clerk's 1.8k.

Frequently asked questions

What is the closest alternative to Clerk?

Better Auth ranks highest among the alternatives to Clerk we track. Better Auth is listed as open source, while Clerk is not, is open source against Clerk's freemium model, and carries 30k GitHub stars to Clerk's 1.8k. Open-source TypeScript authentication framework for modern apps.

Is there an open-source alternative to Clerk?

Yes. Better Auth, Destructive Command Guard, OneCLI, Open Connector, Unkey, Brain0, and Tandem are listed as open source in our catalog. Clerk is not listed as open source. Better Auth is the highest ranked of them: Open-source TypeScript authentication framework for modern apps.

Destructive Command Guard logo
Destructive Command Guard

Auth· github.com

Open source

High-performance hook that blocks destructive Git and shell commands before AI coding agents can execute them.

5,998
Open source
OneCLI logo
OneCLI

Auth· onecli.sh

Free

Open-source credential gateway and encrypted vault that injects scoped API credentials into AI-agent requests without exposing raw secrets.

3,494
Open source
Open Connector logo
Open Connector

Auth· oomol.com

Open source

Open-source authentication gateway connecting AI agents to SaaS providers through SDK, CLI, MCP, HTTP, and OpenAPI interfaces.

5,776
Open source
Unkey logo
Unkey

Auth· unkey.com

Freemium

Developer platform for shipping APIs with API key issuance, verification, rate limiting, and usage analytics behind a global gateway.

5,441
Open source
Brain0 logo
Brain0

Auth· github.com

Open source

Local-first provenance and decision graph for AI-written code, linking commits to agent prompts with drift, DLP, memory, and signed attestations.

333
Open source
Tandem logo
Tandem

Auth· tandem.ac

Freemium

Runtime authority layer for AI agents that scopes tools, data, memory, approvals, tenant boundaries, and auditable actions across MCP workflows.

120
Open source
WorkOS logo
WorkOS

Auth· workos.com

Enterprise

Enterprise auth platform for SSO, SCIM, audit logs, and B2B identity workflows.

221
API available
  • 6

    Brain0

    Brain0 is listed as open source, while Clerk is not and is open source against Clerk's freemium model.

  • 7

    Tandem

    Tandem is listed as open source, while Clerk is not.

  • 8

    WorkOS

    WorkOS is enterprise-tier against Clerk's freemium model.