can i fork it?

Head-to-Head Comparison · Alternative to Clerk · 🔐 security

Clerk vs Authgear

Authgear is a managed IAM platform handling authentication, SSO, and user management for B2C and B2B apps, with biometrics, MFA, and zero-trust support. Here is how Authgear ($0/mo open source) stacks up against Clerk ($6/mo) across cost, hosting, data privacy, and real-world trade-offs.

⚡ Quick Verdict · 2027 Comparison

Authgear is a verified Open Source-licensed open-source replacement for Clerk. Switching from Clerk ($6/mo) saves $72/yr per solo seat, or $360/yr for a 5-person team. Deployment: Runs on Self-host.

The catch: Requires self-hosting setup, updates, and server maintenance compared to managed Clerk.

Open-Source Alternative

Authgear

$0.00/mo · Open Source

Clerk vs Authgear Specifications

facts verified 2026-11-07

DimensionClerk (Paid)Authgear (Replacement)
Monthly Price$6 / mo$0 / mo
1-Year Cost (1 seat)$72 / yr$0 / yr (Save $72)
1-Year Cost (5 seats)$360 / yr$0 / yr (Save $360)
1-Year Cost (10 seats)$720 / yr$0 / yr (Save $720)
Source & LicenseProprietary SaaSopen source Open Source
Where It RunsVendor CloudSelf-host (your server)
PlatformsWeb / Cloud
webself-hosteddocker to self-host
GitHub Stars—★ 2.1k (active nov 2026)

Deep Dive: Switching from Clerk to Authgear

Trade-offs, installation & data architecture

The Catch vs Clerk

What you trade away

Requires self-hosting setup, updates, and server maintenance compared to managed Clerk.

Installation

How to deploy Authgear

Clone https://github.com/authgear/authgear-server or deploy with Docker Compose

Day-2 Operations & Setup

What it takes to run

Deploy via Docker or binary release from GitHub and configure environment variables.

Data Ownership

Where your data lives

All application data and configuration live on your own server or local database.

Build vs Fork Verdict: NO (use a free alternative, save the tokens)

Why fork Authgear instead of vibe-coding a Clerk clone?

Instead of paying recurring SaaS fees for Clerk or rebuilding it from scratch, deploy one of the 9 battle-tested open-source alternatives like Hanko.

Clerk vs Authgear FAQ

Is Authgear a good free alternative to Clerk?+

Yes. Authgear is a verified open-source (Open Source) replacement for Clerk. Authgear is a managed IAM platform handling authentication, SSO, and user management for B2C and B2B apps, with biometrics, MFA, and zero-trust support.

What is the catch when switching from Clerk to Authgear?+

Requires self-hosting setup, updates, and server maintenance compared to managed Clerk.

How much do you save switching from Clerk to Authgear?+

Clerk costs $6/mo ($72/yr) per seat, whereas Authgear is $0/mo. Switching saves $72/yr for a solo user, $360/yr for a 5-person team, and $720/yr for a 10-person team.

How do I install or self-host Authgear instead of Clerk?+

Install: Clone https://github.com/authgear/authgear-server or deploy with Docker Compose. Setup: Deploy via Docker or binary release from GitHub and configure environment variables.

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