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Developer Tools · head to head

Keycloak vs SQLite

Keycloak logo

Keycloak

Developer Tools

Open-source identity and access management server.

From
Free
Free plan
Yes
SQLite logo

SQLite

Databases

Small, fast, self-contained SQL database engine

From
Free
Free plan
Yes

The short version

  • Keycloak is an open-source IAM platform supporting OpenID Connect, OAuth 2; SQLite is a C-language library.
  • Both are free.
  • Where Keycloak falls short: requires self-hosted deployment and operational expertise to install, configure and maintain.
  • Where SQLite falls short: supports only serialized write operations; only one process can modify the database at any moment, limiting concurrent users.
  • Prices and features on this page were last checked on 13 November 2026.

Where they differ

Only the attributes on which Keycloak and SQLite actually diverge.

Attributes where Keycloak and SQLite differ
AttributeKeycloakSQLite
PlatformsSelf-hosted, Linux, Windows, APILinux, macOS, Windows, iOS, Android
CategoryDeveloper ToolsDatabases

Identical on both: starting price (Free), pricing model (Open-source), free tier (Yes).

Not yet recorded: founded for Keycloak.

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 SQLite does not also cover.

Only in SQLite

  • Serverless Operation
  • Zero Configuration
  • Single File Database
  • Cross-platform
  • Full SQL Support
  • ACID Compliance
  • Self-contained
  • Browser Storage

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

SQLite

  • Transaction processingnot Keycloak
  • Data storagenot Keycloak
  • Application backendnot Keycloak
  • Reportingnot Keycloak
  • Data analyticsnot 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

SQLite

  • Supports only serialized write operations; only one process can modify the database at any moment, limiting concurrent users
  • No multi-user support or granular access control; relies on file system permissions for security only
  • Limited ALTER TABLE functionality cannot edit or modify columns in existing tables

Pricing, plan by plan

Keycloak

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

SQLite

Free
  • Public DomainFree
    • Serverless
    • Zero-configuration
    • Cross-platform

Which should you pick?

Choose Keycloak if

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

Choose SQLite if

  • You need serverless operation.
  • You want to start without paying.
  • You work on Linux, macOS, Windows, iOS, Android.
  • You also want zero configuration.

Questions people ask

Is Keycloak or SQLite better?
Neither clearly leads. Keycloak starts at Free and SQLite at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Keycloak or SQLite?
Keycloak starts at Free and SQLite at Free.
Does Keycloak or SQLite run on more platforms?
Keycloak runs on Self-hosted, Linux, Windows, API. SQLite runs on Linux, macOS, Windows, iOS, Android.
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 SQLite is typically brought in for.
What can Keycloak do that SQLite cannot?
SQLite covers Serverless Operation, Zero Configuration, Single File Database, Cross-platform.

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
SQLite: Is SQLite free and open source?

Yes, SQLite is open source and in the public domain. The complete source code and binaries are free to download and use for any purpose without restrictions.

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
SQLite: How does SQLite work and what is its design?

SQLite is a self-contained, serverless SQL database engine that reads and writes directly to disk files. It requires no separate server process and runs within your application, making it ideal for embedded systems and local storage.

Source
Keycloak: Is Keycloak free?

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

Source
SQLite: What are SQLite's limitations for scaling?

SQLite does not support true multi-user concurrency. Only one process can write to the database at a time, and it lacks user management and access control features. It is designed for small to medium projects, not enterprise applications with many concurrent users.

Source
SQLite: Can I use SQLite for production web applications?

SQLite can work for single-server web applications with modest concurrency needs. However, it lacks features like user management, granular security, and sophisticated query optimization needed for large-scale applications.

Source
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