Build. Test. Deploy.

.NET is the free, open-source, cross-platform framework for building modern apps and powerful cloud services.

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Supported on Windows, Linux, and macOS

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Web

Build web apps and services for macOS, Windows, Linux, and Docker.

Mobile and desktop

Use a single codebase to build native apps for Windows, macOS, iOS, and Android.

Cloud

Build scalable and resilient cloud-native apps that run on all major cloud providers.

Artificial Intelligence and ML

Build smart apps with C#, OpenAI, and Azure.

Microservices Game development Internet of Things Mobile Desktop Front-end web Back-end APIs Data

Faster response times, less compute power, better applications

The Fortunes test simulates a simple web application where HTML is rendered server-side after querying a database. See TechEmpower's Round 23 results.

Fortunes responses per second

.NET Conf: Focus on Modernization

Missed the event? You can still learn how to modernize your .NET applications and unlock the benefits

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.NET 9 now available

Unlock new AI and Cloud potential with .NET 9: Faster, smarter, and built for the future.

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Free and open source

.NET is developed and maintained as a free and open-source project on GitHub, the home for millions of developers who want to build great things together.

Fast and cross-platform

You can write, run, and build on multiple platforms, including Windows, Linux, and macOS.

Everything you need to start your .NET learning journey

.NET offers a library of learning resources. Access videos, tutorials, code samples, and content from Microsoft Learn to help you build better.

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.NET for Beginners videos

Getting started with .NET development? We have you covered with our .NET for Beginners videos. Explore videos on web, mobile, desktop, C#, machine learning, containers/Docker, data access, and more.

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Microsoft Learn

Discover your path to build apps with .NET on Microsoft Learn. Whether you're just starting or an experienced professional, Microsoft Learn's hands-on approach helps you arrive at your goals faster, with more confidence and at your own pace for free.

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LinkedIn Learning

Get an introduction to the programming skills needed for a career as a .NET software developer. Experience .NET learning courses that provide a broad perspective on core technologies leveraging .NET.

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Productive

With its large supportive ecosystem and powerful tooling, .NET is the most
productive platform for developers.

NuGet

Build with the most secure package ecosystem trusted by millions of developers. With over 390,000 unique packages to date and 50,000 more each year.

Browse the NuGet Gallery

Visual Studio

Develop with the best IDE for .NET on Windows. Packed with an array of tools and features to elevate and enhance every stage of software development.

Meet the Visual Studio family

Visual Studio Code

Develop on Linux, macOS, or Windows to build cross-platform websites and services. Install the C# Dev Kit to get the best experience.

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Azure

Create modern, scalable cloud apps on a cloud platform designed for .NET.

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Be a part of the global .NET developer community

Join the large, engaged community of developers around the globe who build with .NET. Share, showcase, and solve together. Stay connected.

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followers on X

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members on Meetup

Who uses .NET?

The world's top organizations are powered by .NET and trust Microsoft to make .NET the best choice in the industry for their mission critical software. Amazing developers like you use .NET to build incredible software for millions of companies around the world, in every industry.

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