> Markdown version of [Overview](https://vaadin.com/docs/v23/overview). Section index: [llms.txt](https://vaadin.com/docs/v23/llms.txt)

# <a id="vaadin-docs"></a>Vaadin Docs

## Develop Web Apps in Java

Build scalable user interfaces in Java, using the integrated tooling, components, and design system.

[Quick Start](../guide/quick-start) [Tutorial](../tutorial/overview)

## <a id="learn-about-extended-maintenance"></a>Learn about Extended Maintenance

### <a id="secure-your-vaadin-24-x-minor-version-for-15-years"></a>Secure your Vaadin 24.x minor version for 15 years

Extended Maintenance now covers individual minor versions—get security patches and critical fixes without upgrading.

[Learn about Extended Maintenance](https://vaadin.com/blog/extended-maintenance-now-covers-vaadin-24-minor-versions-stability-on-your-terms)

## <a id="components"></a> Components

### <a id="browse-components"></a>Browse Components

Vaadin platform comes with 40+ UI components.

[Browse all components](https://vaadin.com/docs/v23/components.md)

### <a id="grid"></a>Grid

Grid is a component for showing tabular data.

[See Grid](https://vaadin.com/docs/v23/components/grid.md)

### <a id="combo-box"></a>Combo Box

Combo Box allows the user to choose a value from a filterable list of options presented in an overlay.

[See Combo Box](https://vaadin.com/docs/v23/components/combo-box.md)

### <a id="date-picker"></a>Date Picker

Date Picker is an input field that allows the user to enter a date by typing or by selecting from a calendar overlay.

[See Date Picker](https://vaadin.com/docs/v23/components/date-picker.md)

### <a id="button"></a>Button

The Button component allows users to perform actions.

[See Button](https://vaadin.com/docs/v23/components/button.md)

### <a id="app-layout"></a>App Layout

App Layout is a component for building common application layouts.

[See App Layout](https://vaadin.com/docs/v23/components/app-layout.md)

## <a id="tools"></a>Tools

### <a id="appsec-kit"></a>AppSec Kit

Identify and manage vulnerabilities in third-party dependencies.

[See AppSec Kit](https://vaadin.com/docs/v23/tools/appsec.md)

### <a id="azure-cloud-kit"></a>Azure Cloud Kit

azure kit

Create scalable, highly-available, easily upgradable Vaadin applications, and deploy them to Azure Cloud.

[Azure Cloud Kit Overview](https://vaadin.com/docs/v23/tools/azure-cloud.md)

### <a id="collaboration-kit"></a>Collaboration Kit

The simplest way to build real-time collaboration into web applications.

[Collaboration Kit Overview](https://vaadin.com/docs/v23/tools/collaboration.md)

### <a id="designer"></a>Designer

Create user interfaces visually by dragging and dropping components on a canvas.

[Designer Overview](https://vaadin.com/docs/v23/tools/designer.md)

### <a id="testbench"></a>TestBench

Create UI unit tests and end-to-end integration tests, including visual regression tests.

[TestBench Overview](https://vaadin.com/docs/v23/testing.md)

### <a id="design-system-publisher"></a>Design System Publisher

Create a documentation website for your own Vaadin-based design system.

[Design System Publisher Overview](https://vaadin.com/docs/v23/tools/dspublisher.md)

### <a id="sso-kit"></a>SSO Kit

Integrate your Vaadin application with 3rd-party identity providers, and allow your users to benefit from single sign-on capabilities.

[SSO Kit Overview](https://vaadin.com/docs/v23/tools/sso.md)

### <a id="observability-kit"></a>Observability Kit

Get insight into Flow applications at runtime and in production by monitoring application health, detecting unhandled errors and performance issues, and observing user behavior.

[Observability Kit Overview](https://vaadin.com/docs/v23/tools/observability.md)

### <a id="kubernetes-kit"></a>Kubernetes Kit

Deploy your Vaadin application to Kubernetes, enabling scalability, high availability, and rolling updates.

[Kubernetes Kit Overview](https://vaadin.com/docs/v23/tools/kubernetes.md)

## <a id="contribute"></a>Contribute

### <a id="contribute-to-projects"></a>Contribute to Projects

Follow this guide to contribute to Vaadin’s open source projects.

[Read the contribution guides](https://vaadin.com/docs/v23/contributing/overview.md)

### <a id="contribute-to-documentation"></a>Contribute to Documentation

Follow this guide to improve this documentation.

[See the documentation contribution guides](https://vaadin.com/docs/v23/contributing-docs/overview.md)