ASP.NET Core, an open-source web development framework | .NET (original) (raw)

Free. Cross-platform. Open source.
A framework for building web apps and services with .NET and C#.

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Supported on Windows, Linux, and macOS

Build web apps fast with one stack

ASP.NET Core comes with everything you need to build web apps including Blazor, a web UI framework for quickly creating fast, secure, and robust web apps that run anywhere.

Learn about Blazor

What is ASP.NET Core?

.NET is a developer platform made up of tools, programming languages, and libraries for building many different types of applications.

ASP.NET Core extends the .NET developer platform with tools and libraries specifically for building web apps.

Dig deeper: What is ASP.NET Core?

Fast and scalable

ASP.NET Core performs faster than any popular web framework in the independent TechEmpower benchmarks.

Build secure apps

ASP.NET Core supports industry standard authentication protocols. Built-in features help protect your apps against cross-site scripting (XSS) and cross-site request forgery (CSRF).

ASP.NET Core provides a built-in user database with support for multi-factor authentication and external authentication with Google, X, and more.

You may also be interested in these free e-books

Blazor e-book

This free e-book introduces ASP.NET Web Forms developers to Blazor. It introduces Blazor concepts in parallel with analogous concepts in ASP.NET Web Forms.

ASP.NET Core architecture e-book

This guide provides end-to-end guidance on building monolithic web applications using ASP.NET Core and Azure.

Azure quick start e-book

In this short guide, explore Microsoft Azure services for a variety of .NET application scenarios. Quickly learn about the services that are right for you.

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Our step-by-step tutorial will help you get ASP.NET running on your computer.

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