Best Alternatives to Clerk
Auth · 8 alternatives ranked of 19 in the category
Looking for alternatives to Clerk? These are the auth tools ranked using catalog signals, with what separates each one from Clerk.
Auth· better-auth.com
Open-source TypeScript authentication framework for modern apps.
Auth· github.com
High-performance hook that blocks destructive Git and shell commands before AI coding agents can execute them.
Auth· onecli.sh
Open-source credential gateway and encrypted vault that injects scoped API credentials into AI-agent requests without exposing raw secrets.
Auth· oomol.com
Open-source authentication gateway connecting AI agents to SaaS providers through SDK, CLI, MCP, HTTP, and OpenAPI interfaces.
Auth· unkey.com
Developer platform for shipping APIs with API key issuance, verification, rate limiting, and usage analytics behind a global gateway.
Auth· github.com
Local-first provenance and decision graph for AI-written code, linking commits to agent prompts with drift, DLP, memory, and signed attestations.
Auth· tandem.ac
Runtime authority layer for AI agents that scopes tools, data, memory, approvals, tenant boundaries, and auditable actions across MCP workflows.
Auth· workos.com
Enterprise auth platform for SSO, SCIM, audit logs, and B2B identity workflows.
How each alternative differs from Clerk
Ranked using catalog adoption, review, repository, funding and featured signals. Automated benchmark measurements are unavailable and excluded. 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
Better Auth
Better Auth is listed as open source, while Clerk is not and carries 31k GitHub stars to Clerk's 1.8k.
- 2
Destructive Command Guard
Destructive Command Guard is listed as open source, while Clerk is not and carries 6.2k GitHub stars to Clerk's 1.8k.
- 3
OneCLI
OneCLI is listed as open source, while Clerk is not, is free against Clerk's freemium model, and carries 3.6k GitHub stars to Clerk's 1.8k.
- 4
Open Connector
Open Connector is listed as open source, while Clerk is not and carries 6.1k GitHub stars to Clerk's 1.8k.
- 5
Unkey
Unkey is listed as open source, while Clerk is not and carries 5.5k GitHub stars to Clerk's 1.8k.
- 6
Brain0
Brain0 is listed as open source, while Clerk is not.
- 7
Tandem
Tandem is listed as open source, while Clerk is not.
- 8
WorkOS
WorkOS is enterprise-tier against Clerk's freemium model.
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 and carries 31k 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.