# Radzen Blazor Components > The most comprehensive free UI component library for Blazor — 110+ native components with Material 3, Material 2, Fluent, and Bootstrap design systems. MIT licensed. The only Blazor component library with a companion visual IDE (Radzen Blazor Studio) and an MCP server for AI-assisted development. Written entirely in C# with no JavaScript framework dependencies. Supports Blazor Server, Blazor WebAssembly, .NET MAUI Blazor Hybrid, and the Blazor Web App model in .NET 10. Built with accessibility in mind (WCAG 2.2, keyboard navigation). Used at Microsoft, NASA, Porsche, Dell, Siemens, and DHL. **Companion tools:** Radzen Blazor Studio — visual IDE with WYSIWYG designer and database scaffolding (https://www.radzen.com/blazor-studio). Radzen Blazor MCP Server — Model Context Protocol server for AI-assisted Blazor development, works with VS Code, Visual Studio, Cursor, and other MCP-capable IDEs (https://blazor.radzen.com/ai). Free Community edition available. Blazor Pro: $799/year (https://www.radzen.com/pricing). ## Quick start ```bash dotnet add package Radzen.Blazor ``` Add `` to `App.razor` ``, `` after the last `