can i fork it?

Head-to-Head Comparison · Alternative to AWS Cognito · 🔐 security

AWS Cognito vs Cerbos

A scalable authorization layer that provides fine-grained access control through externalized policies, enabling secure and flexible permissions management. Here is how Cerbos ($0/mo open source) stacks up against AWS Cognito ($6/mo) across cost, hosting, data privacy, and real-world trade-offs.

⚡ Quick Verdict · 2027 Comparison

Cerbos is a verified Apache-2.0-licensed open-source replacement for AWS Cognito. Switching from AWS Cognito ($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 Okta.

Open-Source Alternative

Cerbos

$0.00/mo · Apache-2.0

AWS Cognito vs Cerbos Specifications

facts verified 2026-11-07

DimensionAWS Cognito (Paid)Cerbos (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 Apache-2.0
Where It RunsVendor CloudSelf-host (your server)
PlatformsWeb / Cloud
webself-hosteddocker to self-host
GitHub Stars—★ 4.6k (active nov 2026)

Deep Dive: Switching from AWS Cognito to Cerbos

Trade-offs, installation & data architecture

The Catch vs AWS Cognito

What you trade away

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

Installation

How to deploy Cerbos

Clone https://github.com/cerbos/cerbos 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 Cerbos instead of vibe-coding a AWS Cognito clone?

Instead of paying recurring SaaS fees for AWS Cognito or rebuilding it from scratch, deploy one of the 12 battle-tested open-source alternatives like Hanko.

AWS Cognito vs Cerbos FAQ

Is Cerbos a good free alternative to AWS Cognito?+

Yes. Cerbos is a verified open-source (Apache-2.0) replacement for AWS Cognito. A scalable authorization layer that provides fine-grained access control through externalized policies, enabling secure and flexible permissions management.

What is the catch when switching from AWS Cognito to Cerbos?+

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

How much do you save switching from AWS Cognito to Cerbos?+

AWS Cognito costs $6/mo ($72/yr) per seat, whereas Cerbos 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 Cerbos instead of AWS Cognito?+

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

Other Free Alternatives to AWS Cognito

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