#dotnet

ASP.NET Core is a cross-platform .NET framework for building modern cloud-based web applications on Windows, Mac, or Linux.

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

Polly is a .NET resilience and transient-fault-handling library that allows developers to express policies such as Retry, Circuit Breaker, Timeout, Bulkhead Isolation, and Fallback in a fluent and thread-safe manner. From version 6.0.1, Polly targets .NET Standard 1.1 and 2.0+.

Develop Desktop, Embedded, Mobile and WebAssembly apps with C# and XAML. The future of .NET UI

This repository is for active development of the Azure SDK for .NET. For consumers of the SDK we recommend visiting our public developer docs at https://learn.microsoft.com/dotnet/azure/ or our versioned developer docs at https://azure.github.io/azure-sdk-for-net.

This repository contains a suite of libraries that provide facilities commonly needed when creating production-ready applications.

A framework for building, orchestrating and deploying AI agents and multi-agent workflows with support for Python and .NET.

A framework for building native Windows apps with React.

Microsoft Authentication Library (MSAL) for .NET

From git log to SemVer in no time

Home of .NET's Virtual Monolithic Repository which includes all the code needed to build the .NET SDK.

The F# compiler, F# core library, F# language service, and F# tooling integration for Visual Studio

.NET MAUI is the .NET Multi-platform App UI, a framework for building native device applications spanning mobile, tablet, and desktop.

Cloud Native application framework for .NET

WPF is a .NET Core UI framework for building Windows desktop applications.

Visual Studio Test Platform is the runner and engine that powers test explorer and vstest.console.

The official C# SDK for Model Context Protocol servers and clients. Maintained in collaboration with Microsoft.

This repository contains set of components extending functionality of the OpenTelemetry .NET SDK. Instrumentation libraries, exporters, and other components can find their home here.

The official .NET library for the OpenAI API

Pulumi - Infrastructure as Code in any programming language 🚀

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

Core functionality needed to create .NET Core projects, that is shared between Visual Studio and CLI

The Free Software Media System - Server Backend & API

This repository holds the source code of Microsoft.Testing.Platform (MTP), a lightweight alternative to VSTest, as well as MSTest adapter and framework.

ACID Document Database

.NET Client Library for Datadog APM

Apache Avro is a data serialization system.

Human friendly alternative to Regular Expressions

A parser and compiler for the Gherkin language.

ML.NET is an open source and cross-platform machine learning framework for .NET.