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Free. Cross-platform. Open source.

Build any app
with .NET

Create beautiful apps and scalable cloud services, faster and easier with the free, open-source platform that's loved by developers and trusted by organizations.

Supported on Windows, Linux, and macOS

Free and open source

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

Fast and cross-platform

.NET performs faster than any other popular framework, according to TechEmpower. You can write, run, and build on multiple platforms, including Windows, Linux, and macOS.

Modern and productive

.NET helps you build apps for web, mobile, desktop, cloud, and more. With its large supportive ecosystem and powerful tooling, .NET is the most productive platform for developers.

Build your apps with the power of .NET

Back-end APIs

Reuse code to build secure REST APIs that reach all your clients.

Front-end web

Build your front end apps in C#. No need to learn JavaScript.

Multi-platform

Deploy to mobile, web, desktop, and embedded devices from a single codebase.

Explore everything .NET has to offer

Web

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

Mobile

Use a single codebase to build native mobile apps for iOS, Android, and more.

Desktop

Create native apps for Windows and macOS, or build apps that run anywhere with web technologies.

Microservices

Create independently deployable microservices that run on Docker containers.

Cloud

Consume existing cloud services or create and deploy your own.

Machine learning

Add vision algorithms, speech processing, predictive models, and more to your apps.

Game development

Develop 2D and 3D games for the most popular desktops, phones, and consoles.

Internet of Things

Make IoT apps, with native support for the Raspberry Pi and other single-board computers.

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.

Explore learning portal

.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.

Browse beginner videos

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.

Get started

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.

Explore courses

NuGet

Build with the most secure package ecosystem trusted by millions of developers. With over 320,000 unique packages to date and 50,000 more each year.

Browse the NuGet Gallery

Visual Studio

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

Meet the Visual Studio family

Azure

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

Explore Azure resources and tools
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.

Get connected

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.

Read customer stories
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