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  1. Home
  2. Alternatives
  3. Alternatives to WorkOS
WorkOS logo

Best Alternatives to WorkOS

Auth · 8 alternatives ranked of 19 in the category

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

Better Auth logo
Better Auth

Auth· better-auth.com

Open source

Open-source TypeScript authentication framework for modern apps.

30,103
Open source

How each alternative differs from WorkOS

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 WorkOS carries no note.

  1. 1

    Better Auth

    Better Auth is listed as open source, while WorkOS is not, can be tried on a open source plan before you commit budget, and carries 30k GitHub stars to WorkOS's 222.

  2. 2

    Destructive Command Guard

    Destructive Command Guard is listed as open source, while WorkOS is not, can be tried on a open source plan before you commit budget, and carries 6.0k GitHub stars to WorkOS's 222.

  3. 3

    OneCLI

    OneCLI is listed as open source, while WorkOS is not, can be tried on a free plan before you commit budget, and carries 3.5k GitHub stars to WorkOS's 222.

  4. 4

    Open Connector

    Open Connector is listed as open source, while WorkOS is not, can be tried on a open source plan before you commit budget, and carries 5.9k GitHub stars to WorkOS's 222.

  5. 5

    Unkey

    Unkey is listed as open source, while WorkOS is not, can be tried on a freemium plan before you commit budget, and carries 5.5k GitHub stars to WorkOS's 222.

Frequently asked questions

What is the closest alternative to WorkOS?

Better Auth ranks highest among the alternatives to WorkOS we track. Better Auth is listed as open source, while WorkOS is not, can be tried on a open source plan before you commit budget, and carries 30k GitHub stars to WorkOS's 222. Open-source TypeScript authentication framework for modern apps.

Is there an open-source alternative to WorkOS?

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

Are there free alternatives to WorkOS?

Better Auth (open source), Destructive Command Guard (open source), OneCLI (free), Open Connector (open source), Unkey (freemium), Clerk (freemium), Brain0 (open source), and Tandem (freemium) offer a no-cost entry point, where WorkOS is enterprise-tier.

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.

6,048
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.

3,517
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.

5,898
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.

5,454
Open source
Clerk logo
Clerk

Auth· clerk.com

Freemium

Authentication, user management, organizations, and session handling for modern apps.

1,761
API available
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.

322
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.

121
Open source
  • 6

    Clerk

    Clerk can be tried on a freemium plan before you commit budget and carries 1.8k GitHub stars to WorkOS's 222.

  • 7

    Brain0

    Brain0 is listed as open source, while WorkOS is not and can be tried on a open source plan before you commit budget.

  • 8

    Tandem

    Tandem is listed as open source, while WorkOS is not and can be tried on a freemium plan before you commit budget.