Free Blazor Components for Blazor App Developers 

Free Bootstrap 5.3 components for ASP.NET Blazor. 

Free e-book: Blazor for ASP.NET Web Forms Developers 

BlazorStrap: Bootstrap 4 Components for Blazor Framework 

ASP.NET Web Forms System.Web.UI.WebControls Razor Components For Blazor WebAssembly. 

Build a Complete Blog App with Blazor Server - Step-by-Step Tutorial from Scratch by Abhay Prince

You will learn about fundamentals of Blazor Server, Routing, Shared Reusable Components, Custom Authentication, EF Core Code First, Passing data from parent to child components and vice versa, Passing events from child to parent components, Forms validations and submissions, styling components, using javascript with blazor. third party components integration with blazor, blazor lifecycle events, authentication and authorization in blazor server, programtically navigating between component pages, multiple routes paths for single component page, dynamic routes and getting data from routes, authorized view and much more... 

Blazor for ASP.NET Web Forms Developers | Microsoft Docs 

Here’s what’s new in this release:

• Azure Active Directory authentication with Microsoft.Identity.Web
• CSS isolation for Blazor components
• Lazy loading in Blazor WebAssembly
• Updated Blazor WebAssembly globalization support
• New InputRadio Blazor component
• Set UI focus in Blazor apps
• Influencing the HTML head in Blazor apps
• IAsyncDisposable for Blazor components
• Control Blazor component instantiation
• Protected browser storage
• Model binding and validation with C# 9 record types
• Improvements to DynamicRouteValueTransformer 
• Auto refresh with dotnet watch 
• Console Logger Formatter
• JSON Console Logger