Build. Test. Deploy.
.NET is the free, open-source, cross-platform framework for building modern apps and powerful cloud services.
Supported on Windows, Linux, and macOS
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
Consume existing cloud services or create and deploy your own.
Microservices
Create independently deployable microservices that run on Docker containers.
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.
Azure Developers - .NET Day
Join us on April 5th for an exciting virtual event that highlights the best of Azure and .NET! Learn how you can use Azure services to add amazing features to your .NET apps from the experts!
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Catch up on the whole event with all the great technical sessions then download .NET 7!
Watch on-demandWhat's new in .NET 7
.NET 7 brings better performance for your apps and a variety of new features for C#, .NET MAUI, Web APIs, cloud-native apps, and more
Learn more.NET Podcast app
Do you want to see a complete end-to-end sample application showcasing .NET, ASP.NET Core, Blazor, .NET MAUI, Azure Container Apps, Orleans, Playwright, and more?
View source code.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 videosMicrosoft 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 startedLinkedIn 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 coursesNuGet
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 GalleryVisual 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 familyAzure
Create modern, scalable cloud apps on a cloud platform designed for .NET.
Explore Azure resources and toolsJoin the large, engaged community of developers around the globe who build with .NET. Share, showcase, and solve together. Stay connected.
Get connected455K+
stars on GitHub311K+
followers on Twitter340K+
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.
Read customer storiesLearn .NET easily with our step-by-step tutorials.
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