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Cross platform. Open source.</h2> <p class="margin-top-none margin-bottom-sm">A developer platform for building all your apps: web, mobile, desktop, gaming, IoT, and more. Supported on Windows, Linux, and macOS.</p> <div class="columns is-multiline"> <div class="column is-6-tablet is-3-desktop"> <article class="card is-full-height"> <div class="card-content"> <p class="card-title color-text font-size-lg">Open source .NET</p> <ul class="has-line-height-reset margin-left-none margin-bottom-none margin-top-xs"> <li class="is-unstyled margin-bottom-xxs font-size-sm"> <div class="justify-content-flex-start display-flex is-fullwidth font-size-sm has-text-wrap"> <span class="icon font-size-md has-text-primary margin-right-xxs" aria-hidden="true"> <span class="docon docon-topic-overview"></span> </span> <a href="core/introduction" class="has-external-link-indicator" data-linktype="relative-path">.NET overview</a> </div> </li> <li class="is-unstyled margin-bottom-xxs font-size-sm"> <div class="justify-content-flex-start display-flex is-fullwidth font-size-sm has-text-wrap"> <span class="icon font-size-md has-text-primary margin-right-xxs" aria-hidden="true"> 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data-linktype="external">.NET Foundation</a> </div> </li> <li class="is-unstyled margin-bottom-xxs font-size-sm"> <div class="justify-content-flex-start display-flex is-fullwidth font-size-sm has-text-wrap"> <span class="icon font-size-md has-text-primary margin-right-xxs" aria-hidden="true"> <span class="docon docon-topic-whats-new"></span> </span> <a href="https://dotnet.microsoft.com/platform/community" class="has-external-link-indicator" data-linktype="external">.NET developer community</a> </div> </li> <li class="is-unstyled margin-bottom-xxs font-size-sm"> <div class="justify-content-flex-start display-flex is-fullwidth font-size-sm has-text-wrap"> <span class="icon font-size-md has-text-primary margin-right-xxs" aria-hidden="true"> <span class="docon docon-topic-overview"></span> </span> <a href="/en-us/dotnet/communitytoolkit/" class="has-external-link-indicator" data-linktype="absolute-path">Community Toolkits</a> </div> </li> </ul> </div> </article> </div> <div class="column 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class="justify-content-flex-start display-flex is-fullwidth font-size-sm has-text-wrap"> <span class="icon font-size-md has-text-primary margin-right-xxs" aria-hidden="true"> <span class="docon docon-topic-tutorial"></span> </span> <a href="core/docker/build-container" class="has-external-link-indicator" data-linktype="relative-path">Containerize .NET apps with Docker</a> </div> </li> </ul> </div> </article> </div> <div class="column is-6-tablet is-3-desktop"> <article class="card is-full-height"> <div class="card-content"> <p class="card-title color-text font-size-lg">.NET tools and diagnostics</p> <ul class="has-line-height-reset margin-left-none margin-bottom-none margin-top-xs"> <li class="is-unstyled margin-bottom-xxs font-size-sm"> <div class="justify-content-flex-start display-flex is-fullwidth font-size-sm has-text-wrap"> <span class="icon font-size-md has-text-primary margin-right-xxs" aria-hidden="true"> <span class="docon docon-topic-overview"></span> </span> <a href="core/sdk" class="has-external-link-indicator" data-linktype="relative-path">.NET SDK overview</a> </div> </li> <li class="is-unstyled margin-bottom-xxs font-size-sm"> <div class="justify-content-flex-start display-flex is-fullwidth font-size-sm has-text-wrap"> <span class="icon font-size-md has-text-primary margin-right-xxs" aria-hidden="true"> <span class="docon docon-topic-overview"></span> </span> <a href="core/tools/" class="has-external-link-indicator" data-linktype="relative-path">.NET CLI overview</a> </div> </li> <li class="is-unstyled margin-bottom-xxs font-size-sm"> <div class="justify-content-flex-start display-flex is-fullwidth font-size-sm has-text-wrap"> <span class="icon font-size-md has-text-primary margin-right-xxs" aria-hidden="true"> <span class="docon docon-topic-reference"></span> </span> <a href="core/project-sdk/msbuild-props" class="has-external-link-indicator" data-linktype="relative-path">MSBuild property reference</a> </div> </li> <li class="is-unstyled margin-bottom-xxs font-size-sm"> <div class="justify-content-flex-start display-flex is-fullwidth font-size-sm has-text-wrap"> <span class="icon font-size-md has-text-primary margin-right-xxs" aria-hidden="true"> <span class="docon docon-topic-overview"></span> </span> <a href="core/tools/global-tools" class="has-external-link-indicator" data-linktype="relative-path">Global and local tools</a> </div> </li> <li class="is-unstyled margin-bottom-xxs font-size-sm"> <div class="justify-content-flex-start display-flex is-fullwidth font-size-sm has-text-wrap"> <span class="icon font-size-md has-text-primary margin-right-xxs" aria-hidden="true"> <span class="docon docon-topic-overview"></span> </span> <a href="core/diagnostics/" class="has-external-link-indicator" data-linktype="relative-path">Diagnostics tools</a> </div> </li> <li class="is-unstyled margin-bottom-xxs font-size-sm"> <div class="justify-content-flex-start display-flex is-fullwidth font-size-sm has-text-wrap"> <span class="icon font-size-md has-text-primary margin-right-xxs" aria-hidden="true"> <span class="docon docon-topic-overview"></span> </span> <a href="fundamentals/code-analysis/overview" class="has-external-link-indicator" data-linktype="relative-path">Code analysis</a> </div> </li> <li class="is-unstyled margin-bottom-xxs font-size-sm"> <div class="justify-content-flex-start display-flex is-fullwidth font-size-sm has-text-wrap"> <span class="icon font-size-md has-text-primary margin-right-xxs" aria-hidden="true"> <span class="docon docon-topic-overview"></span> </span> <a href="fundamentals/package-validation/overview" class="has-external-link-indicator" data-linktype="relative-path">Package validation</a> </div> </li> </ul> </div> </article> </div> <div class="column is-6-tablet is-3-desktop"> <article class="card is-full-height"> <div class="card-content"> <p class="card-title color-text font-size-lg">Migrate and upgrade</p> <ul class="has-line-height-reset margin-left-none margin-bottom-none margin-top-xs"> <li class="is-unstyled margin-bottom-xxs font-size-sm"> <div class="justify-content-flex-start display-flex is-fullwidth font-size-sm has-text-wrap"> <span class="icon font-size-md has-text-primary margin-right-xxs" aria-hidden="true"> <span class="docon docon-topic-overview"></span> </span> <a href="core/porting/" class="has-external-link-indicator" data-linktype="relative-path">Port from .NET Framework to .NET</a> </div> </li> <li class="is-unstyled margin-bottom-xxs font-size-sm"> <div class="justify-content-flex-start display-flex is-fullwidth font-size-sm has-text-wrap"> <span class="icon font-size-md has-text-primary margin-right-xxs" aria-hidden="true"> <span class="docon docon-topic-concept"></span> </span> <a href="core/compatibility/breaking-changes" class="has-external-link-indicator" data-linktype="relative-path">.NET breaking changes</a> </div> </li> <li class="is-unstyled margin-bottom-xxs font-size-sm"> <div class="justify-content-flex-start display-flex is-fullwidth font-size-sm has-text-wrap"> <span class="icon font-size-md has-text-primary margin-right-xxs" aria-hidden="true"> <span class="docon docon-topic-download"></span> </span> <a href="https://dotnet.microsoft.com/download" class="has-external-link-indicator" data-linktype="external">Download .NET</a> </div> </li> </ul> </div> </article> </div> <div class="column is-6-tablet is-3-desktop"> <article class="card is-full-height"> <div class="card-content"> <p class="card-title color-text font-size-lg">DevOps and testing</p> <ul class="has-line-height-reset margin-left-none margin-bottom-none margin-top-xs"> <li class="is-unstyled margin-bottom-xxs font-size-sm"> <div class="justify-content-flex-start display-flex is-fullwidth font-size-sm has-text-wrap"> <span class="icon font-size-md has-text-primary margin-right-xxs" aria-hidden="true"> <span class="docon docon-topic-deploy"></span> </span> <a href="core/deploying/" class="has-external-link-indicator" data-linktype="relative-path">Deploy .NET apps</a> </div> </li> <li class="is-unstyled margin-bottom-xxs font-size-sm"> <div class="justify-content-flex-start display-flex is-fullwidth font-size-sm has-text-wrap"> <span class="icon font-size-md has-text-primary margin-right-xxs" aria-hidden="true"> <span class="docon docon-topic-overview"></span> </span> <a href="core/testing/" class="has-external-link-indicator" data-linktype="relative-path">Unit test .NET apps</a> </div> </li> <li class="is-unstyled margin-bottom-xxs font-size-sm"> <div class="justify-content-flex-start display-flex is-fullwidth font-size-sm has-text-wrap"> <span class="icon font-size-md has-text-primary margin-right-xxs" aria-hidden="true"> <span class="docon docon-topic-overview"></span> </span> <a href="devops/github-actions-overview" class="has-external-link-indicator" data-linktype="relative-path">GitHub Actions and .NET</a> </div> </li> </ul> </div> </article> </div> <div class="column is-6-tablet is-3-desktop"> <article class="card is-full-height"> <div class="card-content"> <p class="card-title color-text font-size-lg">Data access in .NET</p> <ul class="has-line-height-reset margin-left-none margin-bottom-none margin-top-xs"> <li class="is-unstyled margin-bottom-xxs font-size-sm"> <div class="justify-content-flex-start display-flex is-fullwidth font-size-sm has-text-wrap"> <span class="icon font-size-md has-text-primary margin-right-xxs" aria-hidden="true"> <span class="docon docon-topic-overview"></span> </span> <a href="standard/linq/" class="has-external-link-indicator" data-linktype="relative-path">LINQ overview</a> </div> </li> <li class="is-unstyled margin-bottom-xxs font-size-sm"> <div class="justify-content-flex-start display-flex is-fullwidth font-size-sm has-text-wrap"> <span class="icon font-size-md has-text-primary margin-right-xxs" aria-hidden="true"> <span class="docon docon-topic-overview"></span> </span> <a href="/en-us/ef/core/" class="has-external-link-indicator" data-linktype="absolute-path">Entity Framework Core</a> </div> </li> <li class="is-unstyled margin-bottom-xxs font-size-sm"> <div class="justify-content-flex-start display-flex is-fullwidth font-size-sm has-text-wrap"> <span class="icon font-size-md has-text-primary margin-right-xxs" aria-hidden="true"> <span class="docon docon-topic-overview"></span> </span> <a href="/en-us/dotnet/api/overview/azure/storage/" class="has-external-link-indicator" data-linktype="absolute-path">Azure Storage</a> </div> </li> <li class="is-unstyled margin-bottom-xxs font-size-sm"> <div class="justify-content-flex-start display-flex is-fullwidth font-size-sm has-text-wrap"> <span class="icon font-size-md has-text-primary margin-right-xxs" aria-hidden="true"> <span class="docon docon-topic-overview"></span> </span> <a href="standard/data/xml/" class="has-external-link-indicator" data-linktype="relative-path">XML data</a> </div> </li> </ul> </div> </article> </div> <div class="column is-6-tablet is-3-desktop"> <article class="card is-full-height"> <div class="card-content"> <p class="card-title color-text font-size-lg">Advanced .NET programming</p> <ul class="has-line-height-reset margin-left-none margin-bottom-none margin-top-xs"> <li class="is-unstyled margin-bottom-xxs font-size-sm"> <div class="justify-content-flex-start display-flex is-fullwidth font-size-sm has-text-wrap"> <span class="icon font-size-md has-text-primary margin-right-xxs" aria-hidden="true"> <span class="docon docon-topic-overview"></span> </span> <a href="standard/asynchronous-programming-patterns/" class="has-external-link-indicator" data-linktype="relative-path">Async programming patterns overview</a> </div> </li> <li class="is-unstyled margin-bottom-xxs font-size-sm"> <div class="justify-content-flex-start display-flex is-fullwidth font-size-sm has-text-wrap"> <span class="icon font-size-md has-text-primary margin-right-xxs" aria-hidden="true"> <span class="docon docon-topic-overview"></span> </span> <a href="standard/threading/managed-threading-basics" class="has-external-link-indicator" data-linktype="relative-path">Threading overview</a> </div> </li> <li class="is-unstyled margin-bottom-xxs font-size-sm"> <div class="justify-content-flex-start display-flex is-fullwidth font-size-sm has-text-wrap"> <span class="icon font-size-md has-text-primary margin-right-xxs" aria-hidden="true"> <span class="docon docon-topic-overview"></span> </span> <a href="standard/parallel-programming/" class="has-external-link-indicator" data-linktype="relative-path">Parallel programming overview</a> </div> </li> <li class="is-unstyled margin-bottom-xxs font-size-sm"> <div class="justify-content-flex-start display-flex is-fullwidth font-size-sm has-text-wrap"> <span class="icon font-size-md has-text-primary margin-right-xxs" aria-hidden="true"> <span class="docon docon-topic-overview"></span> </span> <a href="standard/native-interop/" class="has-external-link-indicator" data-linktype="relative-path">Native interoperability</a> </div> </li> <li class="is-unstyled margin-bottom-xxs font-size-sm"> <div class="justify-content-flex-start display-flex is-fullwidth font-size-sm has-text-wrap"> <span class="icon font-size-md has-text-primary margin-right-xxs" aria-hidden="true"> <span class="docon docon-topic-overview"></span> </span> <a href="standard/garbage-collection/" class="has-external-link-indicator" data-linktype="relative-path">Garbage collection</a> </div> </li> </ul> </div> </article> </div> </div> </div> </section> <section id="tools" class="padding-block-lg"> <div class="uhf-container anchor-headings padding-bottom-sm"> <h2 class="margin-top-none ">Programming languages</h2> <p class="margin-top-none margin-bottom-sm">Write your app in your favorite language</p> <div class="columns is-multiline"> <div class="column is-6-tablet is-3-desktop"> <article class="card is-full-height position-relative"> <div class="card-content display-flex"> <div class="media align-items-center"> <div class="media-left"> <div class="image image-32x32"> <img src="/en-us/media/logos/logo_net.svg" alt="" aria-hidden="true" data-linktype="absolute-path"> </div> </div> <div class="media-content"> <a id="write-net-apps-in-c-f-or-visual-basic-0" href="fundamentals/languages" class="card-title stretched-link has-external-link-indicator" data-linktype="relative-path">Write .NET apps in C#, F#, or Visual Basic</a> </div> </div> </div> </article> </div> <div class="column is-6-tablet is-3-desktop"> <article class="card is-full-height position-relative"> <div class="card-content display-flex"> <div class="media align-items-center"> <div class="media-left"> <div class="image image-32x32"> <img src="media/logo_csharp.png" alt="" aria-hidden="true" data-linktype="relative-path"> </div> </div> <div class="media-content"> <a id="a-modern-object-oriented-and-type-safe-language-1" href="csharp/" class="card-title stretched-link has-external-link-indicator" data-linktype="relative-path">A modern, object-oriented, and type-safe language</a> </div> </div> </div> </article> </div> <div class="column is-6-tablet is-3-desktop"> <article class="card is-full-height position-relative"> <div class="card-content display-flex"> <div class="media align-items-center"> <div class="media-left"> <div class="image image-32x32"> <img src="media/logo_fsharp.png" alt="" aria-hidden="true" data-linktype="relative-path"> </div> </div> <div class="media-content"> <a id="a-simple-language-for-succinct-robust-and-performant-code-2" href="fsharp/" class="card-title stretched-link has-external-link-indicator" data-linktype="relative-path">A simple language for succinct, robust, and performant code</a> </div> </div> </div> </article> </div> <div class="column is-6-tablet is-3-desktop"> <article class="card is-full-height position-relative"> <div class="card-content display-flex"> <div class="media align-items-center"> <div class="media-left"> <div class="image image-32x32"> <img src="media/logo_vb.png" alt="" aria-hidden="true" data-linktype="relative-path"> </div> </div> <div class="media-content"> <a id="an-approachable-language-with-readable-syntax-3" href="visual-basic/" class="card-title stretched-link has-external-link-indicator" data-linktype="relative-path">An approachable language with readable syntax</a> </div> </div> </div> </article> </div> </div> </div> </section> <section id="additional-content" class="padding-block-lg"> <div class="uhf-container anchor-headings"> <h2 class="margin-top-none ">Create your application</h2> <p class="margin-top-none margin-bottom-sm">You can choose web, mobile, desktop, gaming, IoT, and more.</p> <div class="columns is-multiline"> <div class="column is-6-tablet is-3-desktop"> <article class="card is-full-height"> <div class="card-content"> <p class="card-title color-text font-size-lg">Web</p> <ul class="has-line-height-reset margin-left-none margin-bottom-none margin-top-xs"> <li class="is-unstyled margin-bottom-xxs font-size-sm"> <a href="/en-us/aspnet/core/tutorials" class="has-external-link-indicator" data-linktype="absolute-path"> ASP.NET Core tutorials </a> </li> <li class="is-unstyled margin-bottom-xxs font-size-sm"> <a href="/en-us/aspnet/core" class="has-external-link-indicator" data-linktype="absolute-path"> What is ASP.NET Core? </a> </li> <li class="is-unstyled margin-bottom-xxs font-size-sm"> <a href="/en-us/aspnet/core/tutorials/first-mvc-app/start-mvc" class="has-external-link-indicator" data-linktype="absolute-path"> ASP.NET Core in Visual Studio </a> </li> <li class="is-unstyled margin-bottom-xxs font-size-sm"> <a href="/en-us/aspnet/mvc/overview/deployment/docker-aspnetmvc" class="has-external-link-indicator" data-linktype="absolute-path"> ASP.NET MVC apps in Windows containers </a> </li> <li class="is-unstyled margin-bottom-xxs font-size-sm"> <a href="/en-us/aspnet/core/blazor/" class="has-external-link-indicator" data-linktype="absolute-path"> Blazor: Interactive client-side web UI with .NET </a> </li> <li class="is-unstyled margin-bottom-xxs font-size-sm"> <a href="fsharp/scenarios/web-development" class="has-external-link-indicator" data-linktype="relative-path"> F# for web development </a> </li> </ul> </div> </article> </div> <div class="column is-6-tablet is-3-desktop"> <article class="card is-full-height"> <div class="card-content"> <p class="card-title color-text font-size-lg">Mobile</p> <ul class="has-line-height-reset margin-left-none margin-bottom-none margin-top-xs"> <li class="is-unstyled margin-bottom-xxs font-size-sm"> <a href="/en-us/dotnet/maui" class="has-external-link-indicator" data-linktype="absolute-path"> .NET Multi-platform App UI (.NET MAUI) </a> </li> <li class="is-unstyled margin-bottom-xxs font-size-sm"> <a href="/en-us/xamarin/xamarin-forms" class="has-external-link-indicator" data-linktype="absolute-path"> Xamarin.Forms </a> </li> <li class="is-unstyled margin-bottom-xxs font-size-sm"> <a href="/en-us/xamarin/ios" class="has-external-link-indicator" data-linktype="absolute-path"> Xamarin.iOS </a> </li> <li class="is-unstyled margin-bottom-xxs font-size-sm"> <a href="/en-us/xamarin/android" class="has-external-link-indicator" data-linktype="absolute-path"> Xamarin.Android </a> </li> <li class="is-unstyled margin-bottom-xxs font-size-sm"> <a href="/en-us/azure/developer/mobile-apps" class="has-external-link-indicator" data-linktype="absolute-path"> Develop Xamarin apps with Azure </a> </li> </ul> </div> </article> </div> <div class="column is-6-tablet is-3-desktop"> <article class="card is-full-height"> <div class="card-content"> <p class="card-title color-text font-size-lg">Desktop</p> <ul class="has-line-height-reset margin-left-none margin-bottom-none margin-top-xs"> <li class="is-unstyled margin-bottom-xxs font-size-sm"> <a href="/en-us/uwp" class="has-external-link-indicator" data-linktype="absolute-path"> Universal Windows apps </a> </li> <li class="is-unstyled margin-bottom-xxs font-size-sm"> <a href="/en-us/dotnet/desktop/wpf/" class="has-external-link-indicator" data-linktype="absolute-path"> Windows Presentation Foundation (.NET 5+) </a> </li> <li class="is-unstyled margin-bottom-xxs font-size-sm"> <a href="/en-us/dotnet/desktop/wpf/?view=netframeworkdesktop-4.8&preserve-view=true" class="has-external-link-indicator" data-linktype="absolute-path"> Windows Presentation Foundation (.NET Framework) </a> </li> <li class="is-unstyled margin-bottom-xxs font-size-sm"> <a href="/en-us/dotnet/desktop/winforms/" class="has-external-link-indicator" data-linktype="absolute-path"> Windows Forms (.NET 5+) </a> </li> <li class="is-unstyled margin-bottom-xxs font-size-sm"> <a href="/en-us/dotnet/desktop/winforms/?view=netframeworkdesktop-4.8&preserve-view=true" class="has-external-link-indicator" data-linktype="absolute-path"> Windows Forms (.NET Framework) </a> </li> <li class="is-unstyled margin-bottom-xxs font-size-sm"> <a href="/en-us/dotnet/maui" class="has-external-link-indicator" data-linktype="absolute-path"> .NET Multi-platform App UI (.NET MAUI) </a> </li> <li class="is-unstyled margin-bottom-xxs font-size-sm"> <a href="/en-us/xamarin/mac" class="has-external-link-indicator" data-linktype="absolute-path"> Xamarin for macOS </a> </li> </ul> </div> </article> </div> <div class="column is-6-tablet is-3-desktop"> <article class="card is-full-height"> <div class="card-content"> <p class="card-title color-text font-size-lg">Microservices</p> <ul class="has-line-height-reset margin-left-none margin-bottom-none margin-top-xs"> <li class="is-unstyled margin-bottom-xxs font-size-sm"> <a href="architecture/dapr-for-net-developers/" class="has-external-link-indicator" data-linktype="relative-path"> Dapr for .NET developers </a> </li> <li class="is-unstyled margin-bottom-xxs font-size-sm"> <a href="architecture/cloud-native/" class="has-external-link-indicator" data-linktype="relative-path"> Cloud native .NET apps </a> </li> <li class="is-unstyled margin-bottom-xxs font-size-sm"> <a href="architecture/serverless/" class="has-external-link-indicator" data-linktype="relative-path"> Serverless apps with Azure </a> </li> <li class="is-unstyled margin-bottom-xxs font-size-sm"> <a href="architecture/microservices/" class="has-external-link-indicator" data-linktype="relative-path"> Architecture for containerized .NET apps </a> </li> <li class="is-unstyled margin-bottom-xxs font-size-sm"> <a href="core/extensions/cloud-service" class="has-external-link-indicator" data-linktype="relative-path"> Deploy a Worker Service to Azure </a> </li> </ul> </div> </article> </div> <div class="column is-6-tablet is-3-desktop"> <article class="card is-full-height"> <div class="card-content"> <p class="card-title color-text font-size-lg">Cloud</p> <ul class="has-line-height-reset margin-left-none margin-bottom-none margin-top-xs"> <li class="is-unstyled margin-bottom-xxs font-size-sm"> <a href="azure/" class="has-external-link-indicator" data-linktype="relative-path"> Azure for .NET developers </a> </li> <li class="is-unstyled margin-bottom-xxs font-size-sm"> <a href="/en-us/dotnet/aspire" class="has-external-link-indicator" data-linktype="absolute-path"> .NET Aspire </a> </li> <li class="is-unstyled margin-bottom-xxs font-size-sm"> <a href="azure/migration/app-service?preserve-view=true&view=azure-dotnet" class="has-external-link-indicator" data-linktype="relative-path"> Migrate on-premises .NET web apps or services </a> </li> <li class="is-unstyled margin-bottom-xxs font-size-sm"> <a href="azure/key-azure-services" class="has-external-link-indicator" data-linktype="relative-path"> Azure services for .NET developers </a> </li> <li class="is-unstyled margin-bottom-xxs font-size-sm"> <a href="azure/sdk/azure-sdk-for-dotnet" class="has-external-link-indicator" data-linktype="relative-path"> Azure SDK for .NET </a> </li> <li class="is-unstyled margin-bottom-xxs font-size-sm"> <a href="fsharp/using-fsharp-on-azure/deploying-and-managing" class="has-external-link-indicator" data-linktype="relative-path"> Deploying Azure Resources with F# </a> </li> </ul> </div> </article> </div> <div class="column is-6-tablet is-3-desktop"> <article class="card is-full-height"> <div class="card-content"> <p class="card-title color-text font-size-lg">AI and machine learning</p> <ul class="has-line-height-reset margin-left-none margin-bottom-none margin-top-xs"> <li class="is-unstyled margin-bottom-xxs font-size-sm"> <a href="ai/" class="has-external-link-indicator" data-linktype="relative-path"> AI for .NET developers </a> </li> <li class="is-unstyled margin-bottom-xxs font-size-sm"> <a href="ai/quickstarts/get-started-openai" class="has-external-link-indicator" data-linktype="relative-path"> Build a chat app </a> </li> <li class="is-unstyled margin-bottom-xxs font-size-sm"> <a href="ai/conceptual/prompt-engineering-dotnet" class="has-external-link-indicator" data-linktype="relative-path"> Understand prompt engineering </a> </li> <li class="is-unstyled margin-bottom-xxs font-size-sm"> <a href="ai/tutorials/tutorial-ai-vector-search" class="has-external-link-indicator" data-linktype="relative-path"> Implement RAG using vector search </a> </li> <li class="is-unstyled margin-bottom-xxs font-size-sm"> <a href="ai/get-started-app-chat-template" class="has-external-link-indicator" data-linktype="relative-path"> Get started with the .NET enterprise chat sample </a> </li> <li class="is-unstyled margin-bottom-xxs font-size-sm"> <a href="machine-learning/" class="has-external-link-indicator" data-linktype="relative-path"> Build custom AI solutions with ML.NET </a> </li> <li class="is-unstyled margin-bottom-xxs font-size-sm"> <a href="/en-us/azure/cognitive-services/" class="has-external-link-indicator" data-linktype="absolute-path"> Azure Cognitive Services </a> </li> <li class="is-unstyled margin-bottom-xxs font-size-sm"> <a href="/en-us/azure/machine-learning" class="has-external-link-indicator" data-linktype="absolute-path"> Azure machine learning </a> </li> <li class="is-unstyled margin-bottom-xxs font-size-sm"> <a href="fsharp/scenarios/machine-learning" class="has-external-link-indicator" data-linktype="relative-path"> F# for Machine Leaning </a> </li> </ul> </div> </article> </div> <div class="column is-6-tablet is-3-desktop"> <article class="card is-full-height"> <div class="card-content"> <p class="card-title color-text font-size-lg">Game development</p> <ul class="has-line-height-reset margin-left-none margin-bottom-none margin-top-xs"> <li class="is-unstyled margin-bottom-xxs font-size-sm"> <a href="https://visualstudio.microsoft.com/vs/features/game-development/?utm_medium=microsoft&utm_source=learn.microsoft.com&utm_campaign=inline+link" class="has-external-link-indicator" data-linktype="external"> Game development with Visual Studio </a> </li> <li class="is-unstyled margin-bottom-xxs font-size-sm"> <a href="https://docs.cryengine.com/display/CEPROG/C%23+Programming" class="has-external-link-indicator" data-linktype="external"> Learn how to use CRYENGINE to build games with C# </a> </li> <li class="is-unstyled margin-bottom-xxs font-size-sm"> <a href="https://docs.monogame.net/?page=main" class="has-external-link-indicator" data-linktype="external"> Build games with C# using the MonoGame library </a> </li> <li class="is-unstyled margin-bottom-xxs font-size-sm"> <a href="https://docs.unity3d.com/Manual/index.html" class="has-external-link-indicator" data-linktype="external"> Learn how to use Unity to build 2D and 3D games with C# </a> </li> </ul> </div> </article> </div> <div class="column is-6-tablet is-3-desktop"> <article class="card is-full-height"> <div class="card-content"> <p class="card-title color-text font-size-lg">Internet of things (IoT)</p> <ul class="has-line-height-reset margin-left-none margin-bottom-none margin-top-xs"> <li class="is-unstyled 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