radzen-blazor - Radzen Blazor is a set of 90+ free native Blazor UI components packed with DataGrid, Scheduler, Charts and robust theming including Material design and FluentUI.

Radzen Blazor Components

The most sophisticated free UI component library for Blazor, featuring 100+ native components. MIT licensed, used by thousands of developers at companies like Microsoft, NASA, Porsche, Dell, Siemens, and DHL.

Supports .NET 10, Blazor Server, Blazor WebAssembly, and .NET MAUI Blazor Hybrid.

Online Demos · Documentation · Get Started

Quick start

Install the NuGet package:

dotnet add package Radzen.Blazor

Add to _Imports.razor:

@using Radzen
@using Radzen.Blazor

Add the theme and script to App.razor:

<!-- inside <head> -->
<RadzenTheme Theme="material" />

<!-- after the last <script> -->
<script src="_content/Radzen.Blazor/Radzen.Blazor.js"></script>

builder.Services.AddRadzenComponents();

Use a component:

<RadzenButton Text="Hello World" Click="@OnClick" />

For the full setup guide including render modes and dialog/notification configuration, see the getting started instructions.

Components

Data — DataGrid, DataList, PivotDataGrid, Pager, Tree, Scheduler, Charts, GaugeCharts

Forms — TextBox, TextArea, Password, Numeric, DatePicker, TimePicker, ColorPicker, Dropdown, AutoComplete, ListBox, CheckBox, RadioButtonList, Switch, Slider, Rating, FileInput, HtmlEditor

Layout — Card, Panel, Tabs, Accordion, Splitter, Steps, Dialog, Fieldset

Navigation — Menu, ContextMenu, PanelMenu, Breadcrumb, Link, TreeView

Feedback — Notification, Alert, ProgressBar, Badge, Tooltip, Skeleton

Theming — 10 built-in themes with light and dark variants. Free themes: Material, Standard, Default, Humanistic, Software. Premium themes (included with Radzen Blazor Pro): Material 3, Fluent. Full CSS variable customization and a built-in theme service for runtime switching.

Browse all components with live demos →

Why choose Radzen Blazor Components?

:sparkles: Free and open source

MIT licensed and free for commercial use. No per-developer fees, no runtime royalties. Install from NuGet or build from source.

:computer: 100% native Blazor

Written entirely in C#. No JavaScript framework dependencies, no wrappers.

:seedling: Actively maintained

Frequent releases with new components and features. Short development cycle — we ship as soon as new features are ready instead of batching into quarterly releases.

:office: Trusted in production

Used by developers at Microsoft, NASA, Porsche, Dell, Siemens, Nokia, DHL, HSBC, Allianz, Accenture, Deloitte, and thousands of other organizations worldwide.

Support

:speech_balloon: Community Support

Visit the Radzen Community forum — 400+ active weekly users with an average response time of 2 hours.

:dart: Radzen Blazor Pro

For dedicated support and additional productivity tools, the Radzen Blazor Pro subscription includes:

Radzen Blazor Studio — standalone Blazor IDE that provides WYSIWYG design canvas, database scaffolding, CRUD wizards, app templates, and deployment to IIS/Azure
Radzen Blazor for Visual Studio — Blazor tooling integrated into Visual Studio 2026
Premium themes and theme customization tools
Dedicated support with guaranteed 24-hour response time and priority fixes

Run demos locally

Use Radzen.Server.sln to open and run demos as Blazor server application or Radzen.WebAssembly.sln to open and run demos as Blazor WebAssembly application. The demos require the .NET 10 SDK and should preferably be opened in VS2026.