Is Keycloak or Visual Studio better?

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

Which is cheaper, Keycloak or Visual Studio?

Keycloak starts at Free and Visual Studio at Free.

Does Keycloak or Visual Studio run on more platforms?

Keycloak runs on Self-hosted, Docker, Kubernetes, Linux, Windows, API. Visual Studio runs on Web.

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 Visual Studio is typically brought in for.

Developer Tools · head to head

Keycloak vs Visual Studio

Keycloak

Developer Tools

Open-source identity and access management server.

From: Free
Rated: -

Full review Website

Visual Studio

Developer Tools

IDE for .NET and C++ development on Windows

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; Visual Studio community edition is free only for individual developers, classroom use, academic research and open-source contribution, not general commercial use
Prices and features above were last checked on 29 August 2026.

Where they differ

Only the attributes on which Keycloak and Visual Studio actually diverge.

Attributes where Keycloak and Visual Studio differ
Attribute	Keycloak	Visual Studio
Pricing model	open-source	freemium
Platforms	Self-hosted, Docker, Kubernetes, Linux, Windows, API	Web

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

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 Visual Studio
Companies with existing LDAP/Active Directory systems needing federated authenticationnot Visual Studio
Open-source projects and communities requiring free IAM without licensing costsnot Visual Studio
Enterprises building custom identity workflows requiring fine-grained authorisationnot Visual Studio
Teams with sufficient operational expertise to manage infrastructurenot Visual Studio

Visual Studio

Managing complex, large-scale projects across multiple platformsnot Keycloak
Commercial development in small businessesnot Keycloak
DevOps and automated deployment workflowsnot Keycloak
Windows/SQL Server developer and tester rolesnot Keycloak
Short-term or month-to-month IDE access needsnot 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

Visual Studio

Community edition is free only for individual developers, classroom use, academic research and open-source contribution, not general commercial use
Monthly subscriptions are $45 per user per month for Professional and $250 per user per month for Enterprise, and do not include perpetual use rights the way annual Standard subscriptions do
A standalone perpetually licensed Visual Studio Professional 2022 costs $499 as a one-time purchase, separate from the subscription tiers

Pricing, plan by plan

Keycloak

Free

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

Visual Studio

Free

No published plan breakdown. See the Visual Studio review.

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 Visual Studio if

You want to start without paying.

Visual Studio review

Questions people ask

Is Keycloak or Visual Studio better?: Neither clearly leads. Keycloak starts at Free and Visual Studio at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Keycloak or Visual Studio?: Keycloak starts at Free and Visual Studio at Free.
Does Keycloak or Visual Studio run on more platforms?: Keycloak runs on Self-hosted, Docker, Kubernetes, Linux, Windows, API. Visual Studio runs on Web.
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 Visual Studio is typically brought in for.

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

Visual Studio: What are the pricing differences between subscription types?

Standard subscriptions include access to more benefits, such as Azure dev/test pricing, monthly Azure individual credit, software and download access, services, training, and support. Monthly subscriptions offer flexibility but fewer benefits.

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

Visual Studio: Are discounts available for startups?

There aren't any discounts available to start-ups, however an unlimited number of users within an organization can use Visual Studio Community for specific scenarios like open source work.

Source

Keycloak: Is Keycloak free?

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

Source

Visual Studio: Who can use Visual Studio Community for free?

In non-enterprise organizations, up to five users can use it. Enterprise organizations (greater than 250 PCs or greater than $1M annual revenue) cannot use it beyond academic/open-source scenarios.

Source

Visual Studio: What's the renewal pricing structure?

Enterprise standard renews at $214.09/month (after initial $499.92); Professional at $66.59/month (after $99.99).

Source

Keycloak vs Visual Studio

Keycloak

Visual Studio

The short version

Where they differ

What people use each for

Keycloak

Visual Studio

Where each one falls short

Keycloak

Visual Studio

Pricing, plan by plan

Keycloak

Visual Studio

Which should you pick?

Choose Keycloak if

Choose Visual Studio if

Questions people ask

Answered from the vendors’ own pages

Related pages

More on Keycloak

More on Visual Studio

Keep looking

Other head to heads