Is Keycloak or Zed better?

Neither clearly leads. Keycloak starts at Free and Zed at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.

Which is cheaper, Keycloak or Zed?

Keycloak starts at Free and Zed at Free.

Does Keycloak or Zed run on more platforms?

Keycloak runs on Self-hosted, Docker, Kubernetes, Linux, Windows, API. Zed runs on macOS, Linux, Windows.

Can I use Keycloak for free?

Both have a free tier, so you can try either at no cost before committing.

What is Keycloak best used for?

Keycloak is most often used for organisations requiring self-hosted identity infrastructure for compliance or data residency, companies with existing ldap/active directory systems needing federated authentication, open-source projects and communities requiring free iam without licensing costs, enterprises building custom identity workflows requiring fine-grained authorisation. Of those, organisations requiring self-hosted identity infrastructure for compliance or data residency and companies with existing ldap/active directory systems needing federated authentication are not what Zed is typically brought in for.

What can Keycloak do that Zed cannot?

Zed covers Real-time collaboration, AI code completion, Lightning-fast performance, Rust-based architecture.

Developer Tools · head to head

Keycloak vs Zed

Keycloak

Developer Tools

Open-source identity and access management server.

From: Free
Rated: -

Full review Website

Zed

Software Development

Code at the speed of thought

From: Free
Rated: -

Full review Website

The short version

Each has a real cost: Keycloak requires self-hosted deployment and operational expertise to install, configure and maintain; Zed newer product with smaller ecosystem than established editors

Where they differ

Only the attributes on which Keycloak and Zed actually diverge.

Attributes where Keycloak and Zed differ
Attribute	Keycloak	Zed
Pricing model	open-source	freemium
Platforms	Self-hosted, Docker, Kubernetes, Linux, Windows, API	macOS, Linux, Windows
Category	Developer Tools	Software Development
Founded	Unknown	2023

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Keycloak

Nothing recorded that Zed does not also cover.

Only in Zed

Real-time collaboration
AI code completion
Lightning-fast performance
Rust-based architecture
Multi-language support
Integrated terminal
Git integration
Vim keybindings

What people use each for

The jobs each tool is most often brought in to do.

Keycloak

Organisations requiring self-hosted identity infrastructure for compliance or data residencynot Zed
Companies with existing LDAP/Active Directory systems needing federated authenticationnot Zed
Open-source projects and communities requiring free IAM without licensing costsnot Zed
Enterprises building custom identity workflows requiring fine-grained authorisationnot Zed
Teams with sufficient operational expertise to manage infrastructurenot Zed

Zed

Collaborative codingnot Keycloak
High-performance editingnot Keycloak
Real-time pair programmingnot Keycloak
Systems programmingnot Keycloak
Web developmentnot Keycloak

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Keycloak

Requires self-hosted deployment and operational expertise to install, configure and maintain
No managed cloud option provided by Red Hat; organisations must operate infrastructure themselves or use third-party distributions
Clustering and high-availability configurations require additional operational knowledge
Community support only; commercial support requires third-party vendors or distributions

Zed

Newer product with smaller ecosystem than established editors
Limited extensions and plugin marketplace compared to VSCode or Sublime Text

Pricing, plan by plan

Keycloak

Free

Open-sourceFree
- Full platform functionality
- Self-hosted deployment
- Community support

Zed

Free

FreeFree
- Single-player editing
- Local AI assistance
- Fast performance
Plus$10/month
- Multiplayer collaboration
- Cloud AI assistance
- Advanced features

Which should you pick?

Choose Keycloak if

You want to start without paying.
You work on Self-hosted, Docker, Kubernetes, Linux, Windows, API.

Keycloak review

Choose Zed if

You need real-time collaboration.
You want to start without paying.
You work on macOS, Linux, Windows.
You also want ai code completion.

Zed review

Questions people ask

Is Keycloak or Zed better?: Neither clearly leads. Keycloak starts at Free and Zed at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Keycloak or Zed?: Keycloak starts at Free and Zed at Free.
Does Keycloak or Zed run on more platforms?: Keycloak runs on Self-hosted, Docker, Kubernetes, Linux, Windows, API. Zed runs on macOS, Linux, Windows.
Can I use Keycloak for free?: Both have a free tier, so you can try either at no cost before committing.
What is Keycloak best used for?: Keycloak is most often used for organisations requiring self-hosted identity infrastructure for compliance or data residency, companies with existing ldap/active directory systems needing federated authentication, open-source projects and communities requiring free iam without licensing costs, enterprises building custom identity workflows requiring fine-grained authorisation. Of those, organisations requiring self-hosted identity infrastructure for compliance or data residency and companies with existing ldap/active directory systems needing federated authentication are not what Zed is typically brought in for.
What can Keycloak do that Zed cannot?: Zed covers Real-time collaboration, AI code completion, Lightning-fast performance, Rust-based architecture.

Answered from the vendors’ own pages

Keycloak: What protocols does Keycloak support?

Keycloak supports OpenID Connect, OAuth 2.0 and SAML 2.0 protocols for authentication and authorisation.

Source

Zed: What platforms does Zed support?

Zed is available for macOS, Linux, and Windows, providing cross-platform support for developers.

Source

Keycloak: Can Keycloak integrate with existing user directories?

Yes. Keycloak supports user federation with LDAP and Active Directory systems, allowing organisations to leverage existing user directories.

Source

Zed: Is Zed free to use?

Yes. Zed is open-source software available free to download and use. The editor and GPUI framework are available under open-source licenses (GPL for editor, Apache/MIT for GPUI).

Source

Keycloak: Is Keycloak free?

Yes. Keycloak is fully open-source and free to deploy and use. No licensing fees are required.

Source

Zed: What makes Zed fast compared to other editors?

Zed is written in Rust and uses GPU-accelerated rendering to achieve startup times under 500ms and keystroke latency below 2ms.

Source

Zed: Does Zed support real-time collaboration?

Yes. Zed provides real-time collaborative editing and screen sharing capabilities, enabling multiple developers to work on the same code simultaneously.

Source

Zed: What AI models does Zed support?

Zed supports multiple AI models and agents for agentic editing, enabling human-AI collaboration during development.

Source

Zed: When was Zed 1.0 released?

Zed 1.0 was officially released on April 29, 2026, marking the stable production release.

Source

Keycloak vs Zed

Keycloak

Zed

The short version

Where they differ

What each one covers

Only in Keycloak

Only in Zed

What people use each for

Keycloak

Zed

Where each one falls short

Keycloak

Zed

Pricing, plan by plan

Keycloak

Zed

Which should you pick?

Choose Keycloak if

Choose Zed if

Questions people ask

Answered from the vendors’ own pages

Related pages

More on Keycloak

More on Zed

Keep looking

Other head to heads