JSPM

Storybook: Develop, document, and test UI components in isolation

Storybook Docs: Document UI components automatically with stories and MDX

Storybook Addon A11y: Test UI component compliance with WCAG web accessibility standards

use querySelector syntax to search for nodes inside of (nested) shadow roots

Storybook Onboarding: Help new users learn how to write stories

Storybook Vitest addon: Blazing fast component testing using stories

Storybook Themes addon: Switch between themes from the toolbar

Storybook Pseudo-states addon: Manipulate CSS pseudo states

A tiny framework agnostic color picker element for modern web apps

Advanced Data Grid / Data Table supporting Javascript / Typescript / React / Angular / Vue

Advanced Data Grid / Data Table supporting Javascript / Typescript / React / Angular / Vue

Vaadin component base mixins

Advanced Data Grid / Data Table supporting Javascript / Typescript / React / Angular / Vue

Advanced Data Grid / Data Table supporting Javascript / Typescript / React / Angular / Vue

vaadin-themable-mixin

Vaadin Material is a complete theme for Vaadin components, inspired by Google’s Material Design guidelines.

Advanced Data Grid / Data Table supporting Javascript / Typescript / React / Angular / Vue

Advanced Data Grid / Data Table supporting Javascript / Typescript / React / Angular / Vue

Advanced Data Grid / Data Table supporting Javascript / Typescript / React / Angular / Vue

Advanced Data Grid / Data Table supporting Javascript / Typescript / React / Angular / Vue

HTML Custom Elements Polyfill

A common package of Essential JS 2 base libraries, methods and class definitions

A package of Essential JS 2 popup components such as Dialog and Tooltip that is used to display information or messages in separate pop-ups.

Advanced Data Grid / Data Table supporting Javascript / Typescript / React / Angular / Vue

Polyfill for Scoped CSS

Web Components Polyfills

Advanced Data Grid / Data Table supporting Javascript / Typescript / React / Angular / Vue

Vaadin field base mixins

Advanced Data Grid / Data Table supporting Javascript / Typescript / React / Angular / Vue

Web component for creating SVG icons

Advanced Data Grid / Data Table supporting Javascript / Typescript / React / Angular / Vue

A free, flexible and high-quality Web Component for showing large amounts of tabular data

Advanced Data Grid / Data Table supporting Javascript / Typescript / React / Angular / Vue

A package of Essential JS 2 input components such as Textbox, Color-picker, Masked-textbox, Numeric-textbox, Slider, Upload, and Form-validator that is used to get input from the users.

A common package of Essential JS 2 base64 embed icons library

vaadin-input-container

vaadin-checkbox

Lumo is a design system foundation for modern web applications, used by Vaadin components

Vaadin accessibility helpers, mixins and controllers

A package of Essential JS 2 navigation components such as Tree-view, Tab, Toolbar, Context-menu, and Accordion which is used to navigate from one page to another

vaadin-text-field

A complete package of date or time components with built-in features such as date formatting, inline editing, multiple (range) selection, range restriction, month and year selection, strict mode, and globalization.

Storybook Web Components renderer: Develop, document, and test UI components in isolation

A package of Essential JS 2 notification components such as Toast and Badge which used to notify important information to end-users.

Storybook for Web Components and Vite: Develop, document, and test UI components in isolation

Feature-rich JavaScript datagrid (datatable) control with built-in support for editing, filtering, grouping, paging, sorting, and exporting to Excel.

A common package of Essential JS 2 React base, methods and class definitions

A React component that adds pan and zoom features to SVG

Advanced Data Grid / Data Table supporting Javascript / Typescript / React / Angular / Vue

An extension of DOM-testing-library to provide hooks into the shadow dom

vaadin-overlay

A web component for Google Drive Picker

vaadin-button

Advanced Data Grid / Data Table supporting Javascript / Typescript / React / Angular / Vue

Jspreadsheet is a lightweight, vanilla javascript plugin to create amazing web-based interactive data grids with spreadsheet like controls compatible with Excel, Google Spreadsheets and any other spreadsheet software.

vaadin-item

Web Component for displaying a list of items with filtering

vaadin-horizontal-layout

Advanced Data Grid / Data Table supporting Javascript / Typescript / React / Angular / Vue

Web component providing a date selection field with scrollable month calendar

Web Component for creating tooltips

vaadin-select

A common package of Essential JS 2 base Angular libraries, methods and class definitions

vaadin-details

vaadin-custom-field

Advanced Data Grid / Data Table supporting Javascript / Typescript / React / Angular / Vue

vaadin-notification

The `SpectrumElement` base class as created by mixing `SpectrumMixin` onto `LitElement` provides text direction support via the CSS `:dir()` pseudo-class, which automatically inherits directionality from the DOM hierarchy. In a TypeScript context, it also

vaadin-number-field

vaadin-date-time-picker

Provide flexbox-based layouts

Feature-rich document editor control with built-in support for context menu, options pane and dialogs.

vaadin-radio-group

Web Component for showing context dependent items for any element on the page

vaadin-password-field

vaadin-multi-select-combo-box

vaadin-menu-bar

vaadin-checkbox-group

Web Component for uploading files with drag and drop support

vaadin-integer-field

vaadin-vertical-layout

Scoped CustomElementRegistry Polyfill

vaadin-avatar

vaadin-text-area

vaadin-time-picker

vaadin-tabs

vaadin-popover

Web component providing configurable responsive layout for form elements

vaadin-confirm-dialog

vaadin-list-box

Web component for partitioning a layout into resizeable areas

vaadin-accordion

The `@spectrum-web-components/shared` package provides essential base classes, mixins, and utilities that support developing Spectrum Web Components. This package contains foundational tools for focus management, slot observation, accessibility enhancemen

A web framework for building virtual reality experiences.

vaadin-login

Web Component for displaying a virtual/infinite list of items.

vaadin-messages

Collection of 600+ unique icons designed for web applications

`<sp-icon>` renders an icon to the page. By default the `name` attribute will pair with separately registered icon sets to deliver the icons. When not present, `<sp-icon>` will subsequently check for its `src` attribute which could populate the icon via a

vaadin-card

Advanced Data Grid / Data Table supporting Javascript / Typescript / React / Angular / Vue

vaadin-dialog

vaadin-field-highlighter

vaadin-side-nav

Extend either the `Iconset` or `IconsetSVG` exports of this package to supply your application with a custom icon set to power the use of `<sp-icon>` elements throughout. Give your new icon set a custom name, and you'll be ready to supply them as `<sp-ico

vaadin-email-field

A package of Essential JS 2 Inplace editor components, which is used to edit and update the value dynamically in server.

vaadin-progress-bar

vaadin-message-input

vaadin-avatar-group

vaadin-app-layout

Useful for sharing information across a DOM tree

ej2-drawings

Web component for building UIs with a master area and a detail area.

Spectrum Web Components are a [`LitElement`](https://lit-element.polymer-project.org)-powered web component library implementing Adobe's Spectrum design system. This package defines the CSS custom properties that implement design tokens from [Spectrum Tok

vaadin-tabsheet

vaadin-scroller

Deliver [Spectrum UI Icons](https://spectrum.adobe.com/page/icons/) as either:

vaadin-markdown

Manages a set of svg icons

A behavior that enables keybindings for greater a11y.

Deliver [Spectrum Workflow Icons](https://spectrum.adobe.com/page/icons/) as either:

An `<sp-button>` represents an action a user can take. sp-buttons can be clicked or tapped to perform an action or to navigate to another page. Buttons in Spectrum have several variations for different uses and multiple levels of loudness for various atte

Advanced Data Grid / Data Table supporting Javascript / Typescript / React / Angular / Vue

An element that supports displaying an icon

Coordinates the flow of resizeable elements

Feature-rich JavaScript PDF library with built-in support for loading and manipulating PDF document.

A modern JavaScript UI toolkit that has been built from the ground up to be lightweight, responsive, modular and touch friendly. It is written in TypeScript and has no external dependencies.

Web component implementation of a Spectrum design ClearButton

Small and powerful client-side router for Web Components. Framework-agnostic.

ReactiveControllers for powering common UI patterns

Adds a material design ripple to any container

An `<sp-action-button>` represents an action a user can take.

polymer-legacy-adapter

Web component implementation of a Spectrum design CloseButton

An `<sp-progress-circle>` shows the progression of a system operation such as downloading, uploading, processing, etc. in a visual way. It can represent both determinate and indeterminate progress, helping users understand the status of ongoing operations

Advanced Data Grid / Data Table supporting Javascript / Typescript / React / Angular / Vue

`<sp-theme>` provides Spectrum design tokens (CSS custom properties) to everything in its DOM scope. Components inside a theme use these tokens to render correctly. The element itself does not visually “apply” styles to your app; it exposes the tokens so

vaadin-charts

Feature-rich diagram control to create diagrams like flow charts, organizational charts, mind maps, and BPMN diagrams. Its rich feature set includes built-in shapes, editing, serializing, exporting, printing, overview, data binding, and automatic layouts.

Bundles of components and dependencies

Fits an element inside another element

Provides a behavior for making an element an overlay

Web component to create flexible responsive layouts and build nice looking dashboard.

An `<sp-overlay>` element is used to decorate content that you would like to present to your visitors as "overlaid" on the rest of the application. This includes dialogs (modal and not), pickers, tooltips, context menus, et al.

Enables a custom element to be included in an iron-form

vaadin-rich-text-editor

vaadin-map

Core functionality that is shared across all Lion Web Components

vaadin-dashboard

A singleton element that simplifies announcing text to screen readers.

vaadin-grid-pro

Provides a behavior for an element that validates user input

Implements an element that has a checked attribute and can be added to a form

Common behaviors across the paper elements

Atomico is a small library for the creation of interfaces based on web-components, only using functions and hooks.

Lets you bind to a CSS media query

Ninja Keys

Powerful data-agnostic HTML5 AG Grid extension which provides advanced, cutting-edge functionality to meet all DataGrid requirements

ArcGIS Map Components

vaadin-crud

An `<sp-underlay>` provides a visual layer between overlay content and the rest of your application. It is commonly used with modal dialogs and other overlay elements to create a visual separation and prevent interaction with the background content while

A common package of Essential JS 2 base Vue libraries, methods and class definitions

Allows to define a scroller target

Spline is a collaborative design platform for creating production-ready interactive experiences in multiple dimensions. © 2025 Spline, Inc.

Web components for creating Visual Studio Code extensions

Barcode generator component is a pure JavaScript library which will convert a string to Barcode and show it to the user. This supports major 1D and 2D barcodes including coda bar, code 128, QR Code.

Advanced Data Grid / Data Table supporting Javascript / Typescript / React / Angular / Vue

`<sp-tooltip>` allow users to get contextual help or information about specific components when hovering or focusing on them.

Essential JS 2 TreeMap Components

An input element with data binding

vaadin-cookie-consent

An `<sp-field-label>` provides accessible labelling for form elements. Use the `for` attribute to outline the `id` of an element in the same DOM tree to which it should associate itself. Field labels give context to information that a user needs to input

A textarea element that automatically grows with input

`sp-textfield` components are text boxes that allow users to input custom text entries with a keyboard. Various decorations can be displayed around the field to communicate the entry requirements.

Helpers designed to make integrating Web Components with Storybook easier.

`sp-divider` brings clarity to a layout by grouping and dividing content that exists in close proximity. It can also be used to establish rhythm and hierarchy.

An `<sp-menu>` is used for creating a menu list. The various elements inside a menu are given as [`<sp-menu-group>`](../menu-group), [`<sp-menu-item>`](../menu-item), or `<sp-menu-divider>`. Often a `<sp-menu>` element will appear in a [`<sp-popover>`](..

An `<sp-popover>` is used to display transient content (menus, options, additional actions etc.) and appears when clicking/tapping on a source (tools, buttons, etc.) It stands out via its visual style (stroke and drop shadow) and floats on top of the rest

A material design icon button

vaadin-list-mixin

Advanced Data Grid / Data Table supporting Javascript / Typescript / React / Angular / Vue

Ninja Keys

Import CSS files as css tagged-template literals

An `<sp-picker>` is an alternative to HTML's `<select>` element. Use [`<sp-menu-item>`](../menu-item) elements to outline the options that will be made available to the user when interacting with the `<sp-picker>` element.

vaadin-text-field

Makes it easy to make ajax calls and parse the response

Material design text fields

A free, flexible and high-quality Web Component for showing large amounts of tabular data

Manages a set of elements that can be selected

The Maps component is used to visualize the geographical data and represent the statistical data of a particular geographical area on earth with user interactivity, and provides various customizing options

An `<sp-field-group>` element is used to layout a group of fields, usually `<sp-checkbox>` elements. It can be leveraged for `vertical` or `horizontal` organization of the fields that are supplied as its children.

`sp-action-group` delivers a set of action buttons in horizontal or vertical orientation while ensuring the appropriate spacing between those buttons. The `compact` attribute merges these buttons so that they are visually joined to clarify their relations

vaadin-overlay

Web component implementation of a Spectrum design Tray

A simple element to fixture DOM for tests

Web component implementation of a Spectrum design HelpText

Provides accessible menu behavior

Web component providing a date selection field with scrollable month calendar

`<sp-toast>` elements display brief, temporary notifications. They are noticeable but do not disrupt the user experience and do not require an action to be taken.

Tools for integrating web components/custom elements into JetBrains IDEs

vaadin-element-mixin

An `<sp-action-menu>` is an action button that triggers an overlay with `<sp-menu-items>` for activation. Use an `<sp-menu>` element to outline the items that will be made available to the user when interacting with the `<sp-action-menu>` element. By defa

Storybook for web-components: View web components snippets in isolation with Hot Reloading.

vaadin-item

Web component implementation of a Spectrum design AlertDialog

Displays a virtual, 'infinite' scrolling list of items

The `<sp-search>` element is used for searching and filtering items.

`<sp-checkbox>` allow users to select multiple items from a list of independent options, or to mark an individual option as selected.

A system for animating Polymer-based web components

Aura is a theme used by Vaadin components

vaadin-checkbox

vaadin-button

`sp-button-group` delivers a set of buttons in horizontal or vertical orientation while ensuring the appropriate spacing between those buttons.

Web Component for displaying a list of items with filtering

`sp-dialog` displays important information that users need to acknowledge. They appear over the interface and block further interactions. When used directly the `sp-dialog` element surfaces a `slot` based API for deep customization of the content to be in

The `<sp-tabs>` displays a list of `<sp-tab>` element children as `role="tablist"`. An `<sp-tab>` element is associated with a sibling `<sp-tab-panel>` element via their `value` attribute. When an `<sp-tab>` element is `selected`, the associated `<sp-tab-

An `<sp-link>` allows users to navigate to a different location. They can be presented in-line inside a paragraph or as a standalone text.

Essential JS 2 LinearGauge Components

An unstyled element that works similarly to a native browser select

vaadin-custom-field

vaadin-control-state-mixin

Implements an accessible material design listbox

Tools for integrating web components/custom elements into VS Code

Provides a behavior for something with a minimum and maximum value

A material design element that composes a trigger and a dropdown menu

`<sp-slider>` allows users to quickly select a value within a range. They should be used when the upper and lower bounds of the range are invariable.

vaadin-details

Web component implementation of a Spectrum design NumberField

Vue.js 2.0 directive to detect element resize

A material design progress bar

A material-design styled list item

Material design button

Web Component for uploading files with drag and drop support

vaadin-accordion

A material design notification toast

Web component implementation of a Spectrum design InfieldButton

A set of icons for use with iron-icon

vaadin-dialog

An element that works similarly to a native browser select

Advanced Data Grid / Data Table supporting Javascript / Typescript / React / Angular / Vue

Default configuration for working with rollup

vaadin-badge

Web component providing configurable responsive layout for form elements

A simple shim for the server-side DOM API

Web component for partitioning a layout into resizeable areas

vaadin-slider

vaadin-radio-button

Web Component for showing context dependent items for any element on the page