Softwr

Software Development · head to head

Cline vs Keycloak

Cline logo

Cline

Software Development

The Open Coding Agent

From
Free
Rated
-
Full reviewWebsite
Keycloak logo

Keycloak

Developer Tools

Open-source identity and access management server.

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Cline no seat licenses or subscription fees for open source tier creates unclear Enterprise pricing model; Keycloak requires self-hosted deployment and operational expertise to install, configure and maintain

Where they differ

Only the attributes on which Cline and Keycloak actually diverge.

Attributes where Cline and Keycloak differ
AttributeClineKeycloak
Pricing modelusage-basedopen-source
PlatformsWebSelf-hosted, Docker, Kubernetes, Linux, Windows, API
CategorySoftware DevelopmentDeveloper Tools

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

What people use each for

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

Cline

  • AI-assisted code generation and refactoringnot Keycloak
  • VS Code extension for developersnot Keycloak
  • Enterprise multi-user team collaborationnot Keycloak

Keycloak

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

Where each one falls short

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

Cline

  • no seat licenses or subscription fees for open source tier creates unclear Enterprise pricing model
  • JetBrains IDE support only in Enterprise tier

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

Pricing, plan by plan

Cline

Free

No published plan breakdown. See the Cline review.

Keycloak

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

Which should you pick?

Choose Cline if

  • You want to start without paying.
Cline review

Choose Keycloak if

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

Questions people ask

Is Cline or Keycloak better?
Neither clearly leads. Cline starts at Free and Keycloak at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Cline or Keycloak?
Cline starts at Free and Keycloak at Free.
Does Cline or Keycloak run on more platforms?
Cline runs on Web. Keycloak runs on Self-hosted, Docker, Kubernetes, Linux, Windows, API.
Can I use Cline for free?
Both have a free tier, so you can try either at no cost before committing.
What is Cline best used for?
Cline is most often used for ai-assisted code generation and refactoring, vs code extension for developers, enterprise multi-user team collaboration. Of those, ai-assisted code generation and refactoring and vs code extension for developers are not what Keycloak is typically brought in for.

Answered from the vendors’ own pages

Cline: Is Cline free?

Yes, Cline open source is free and Apache 2.0 licensed; you pay only for AI model inference when you use it, with no subscriptions or seat licenses.

Source
Keycloak: What protocols does Keycloak support?

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

Source
Cline: Does Cline have team collaboration features?

Team collaboration is available in the Enterprise tier only, which includes SSO/OIDC, role-based access control, team management dashboard, and audit logs.

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
Cline: Can I use my own AI API keys with Cline?

Yes, you can bring your own API keys from OpenAI, Anthropic, Google, and other providers, giving you full control over inference costs.

Source
Keycloak: Is Keycloak free?

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

Source
Cline: What's included in Cline Enterprise?

Cline Enterprise adds JetBrains IDE support, SSO/OIDC authentication, SLA, dedicated support, centralized billing, role-based access control, and audit logging to the open source features.

Source
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