Head-to-Head Comparison · Alternative to WorkOS · 🔐 security
WorkOS vs Keycloak
Comprehensive open source identity management solution offering single sign-on, social login, and fine-grained authorization for applications and services. Here is how Keycloak ($0/mo open source) stacks up against WorkOS ($6/mo) across cost, hosting, data privacy, and real-world trade-offs.
Keycloak is a verified Apache-2.0-licensed open-source replacement for WorkOS. Switching from WorkOS ($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 Auth0.
Keycloak
$0.00/mo · Apache-2.0
WorkOS vs Keycloak Specifications
facts verified 2026-11-07
| Dimension | WorkOS (Paid) | Keycloak (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 & License | Proprietary SaaS | open source Apache-2.0 |
| Where It Runs | Vendor Cloud | Self-host (your server) |
| Platforms | Web / Cloud | webself-hosteddocker to self-host |
| GitHub Stars | — | ★ 37.7k (active nov 2026) |
Deep Dive: Switching from WorkOS to Keycloak
Trade-offs, installation & data architecture
What you trade away
Requires self-hosting setup, updates, and server maintenance compared to managed Auth0.
How to deploy Keycloak
Clone https://github.com/keycloak/keycloak or deploy with Docker Compose
What it takes to run
Deploy via Docker or binary release from GitHub and configure environment variables.
Where your data lives
All application data and configuration live on your own server or local database.
Why fork Keycloak instead of vibe-coding a WorkOS clone?
Instead of paying recurring SaaS fees for WorkOS or rebuilding it from scratch, deploy one of the 11 battle-tested open-source alternatives like Hanko.
WorkOS vs Keycloak FAQ
Is Keycloak a good free alternative to WorkOS?+
Yes. Keycloak is a verified open-source (Apache-2.0) replacement for WorkOS. Comprehensive open source identity management solution offering single sign-on, social login, and fine-grained authorization for applications and services.
What is the catch when switching from WorkOS to Keycloak?+
Requires self-hosting setup, updates, and server maintenance compared to managed Auth0.
How much do you save switching from WorkOS to Keycloak?+
WorkOS costs $6/mo ($72/yr) per seat, whereas Keycloak 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 Keycloak instead of WorkOS?+
Install: Clone https://github.com/keycloak/keycloak or deploy with Docker Compose. Setup: Deploy via Docker or binary release from GitHub and configure environment variables.
