dotnet

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

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

.NET news, announcements, release notes, and more!

The Roslyn .NET compiler provides C# and Visual Basic languages with rich code analysis APIs.

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

This repo is used for servicing PR's for .NET Core 2.1 and 3.1. Please visit us at https://github.com/dotnet/runtime

EF Core is a modern object-database mapper for .NET. It supports LINQ queries, change tracking, updates, and schema migrations.

Documentation for ASP.NET Core

CoreCLR is the runtime for .NET Core. It includes the garbage collector, JIT compiler, primitive data types and low-level classes.

The official repo for the design of the C# programming language

Powerful .NET library for benchmarking

A reference .NET application implementing an eCommerce site

Cloud Native application framework for .NET

A toolkit for developing high-performance HTTP reverse proxy applications.

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

Blazor moved to https://github.com/dotnet/aspnetcore

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

The Reactive Extensions for .NET

Repository for skills to assist AI coding agents with .NET and C#

The Microsoft Build Engine (MSBuild) is the build platform for .NET and Visual Studio.

The high-speed OpenGL, OpenCL, OpenAL, OpenXR, GLFW, SDL, Vulkan, Assimp, WebGPU, and DirectX bindings library your mother warned you about.

Tye is a tool that makes developing, testing, and deploying microservices and distributed applications easier. Project Tye includes a local orchestrator to make developing microservices easier and...

MQTTnet is a high performance .NET library for MQTT based communication. It provides a MQTT client and a MQTT server (broker). The implementation is based on the documentation from http://mqtt.org/.

Windows Forms is a .NET UI framework for building Windows desktop applications.

Official container images for .NET

This repository contains .NET Documentation.

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

Open XML SDK by Microsoft

Static site generator for .NET API documentation.

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

Sample code referenced by the .NET documentation

Command line parsing, invocation, and rendering of terminal output.

Samples for .NET Multi-Platform App UI (.NET MAUI)

Roslynator is a set of code analysis tools for C#, powered by Roslyn.

The .NET Core command-line (CLI) tools, used for building .NET Core apps and libraries through your development flow (compiling, NuGet package management, running, testing, ...).

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

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

Provides a set of libraries which add service API versioning to ASP.NET Core Minimal APIs, Controllers, gRPC, OData, and Web API (Classic).

.NET Interactive combines the power of .NET with many other languages to create notebooks, REPLs, and embedded coding experiences. Share code, explore data, write, and learn across your apps in...

Official C# support for Visual Studio Code

This repo is building the .NET Standard

Try .NET provides developers and content authors with tools to create interactive experiences.

.NET for iOS, Mac Catalyst, macOS, and tvOS provide open-source bindings of the Apple SDKs for use with .NET managed languages such as C#

This repo contains CoreRT, an experimental .NET Core runtime optimized for AOT (ahead of time compilation) scenarios, with the accompanying compiler toolchain.

This repo includes .NET Core implementations for various IoT boards, chips, displays and PCBs.

.NET (C#) Client Library for Docker API

A collection of .NET for Android sample projects

A library containing all P/Invoke code so you don't have to import it every time. Maintained and updated to support the latest Windows OS.

.NET for Android provides open-source bindings of the Android SDK for use with .NET managed languages such as C#

.NET for Apache® Spark™ makes Apache Spark™ easily accessible to .NET developers.

Next generation API for .NET

Home for the dotnet-format command

A .NET library that provides access to the library that powers PyTorch.

This repo contains the client-oriented WCF libraries that enable applications built on .NET Core to communicate with WCF services.

This repo contains the Template Engine which is used by dotnet new

Documentation for Entity Framework Core and Entity Framework 6

Comet is an MVU UIToolkit written in C#

This repo is for experimentation and exploring new ideas that may or may not make it into the main dotnet/runtime repo.

Infer.NET is a framework for running Bayesian inference in graphical models

Stamp your assemblies, packages and more with a unique version generated from a single, simple version.json file and include git commit IDs for non-official builds.

This repo contains LLILC, an LLVM based compiler for .NET Core. It includes a set of cross-platform .NET code generation tools that enables compilation of MSIL byte code to LLVM supported platforms.

Manage localization of all ResX-Based resources in one central place.

This repo is for experimentation and exploring new ideas that may or may not make it into the main corefx repo.

This is the codebase for Entity Framework 6 (previously maintained at https://entityframework.codeplex.com). Entity Framework Core is maintained at https://github.com/dotnet/efcore.

Subscribe to this repo to be notified of Announcements and changes in .NET Core.

Source Link enables a great source debugging experience for your users, by adding source control metadata to your built assets

This repository contains the source code for various .NET Core runtime diagnostic tools and documents.

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

ILMerge is a static linker for .NET Assemblies.

Clang bindings for .NET written in C#

.NET SDK Installer

Get started learning C# with C# notebooks powered by .NET Interactive and VS Code.

Tool that uses Roslyn to automatically rewrite the source to follow our coding styles

Experimental Mobile Blazor Bindings - Build native and hybrid mobile apps with Blazor

Helping .NET developers port their projects to .NET Core!

Benchmarking infrastructure for applications

Game examples implemented as .NET console applications primarily for providing education and inspiration. :)

The .NET Project System for Visual Studio

Microsoft.Data.SqlClient provides database connectivity to SQL Server for .NET applications.

.NET API reference documentation (.NET 8+)

LLVM bindings for .NET Standard written in C# using ClangSharp

This repo is used for reviewing new .NET designs.

Modular extensions for the WPF DataGrid control

Simulate API failures, throttling, and chaos — all from your command line.

Working space for ECMA-TC49-TG2, the C# standard committee.

Code generators to speed up development.

A guided tool will be provided to enable the controlled clean up of a system such that only the desired versions of the Runtime and SDKs remain.

This repo contains benchmarks used for testing the performance of all .NET Runtimes

Tools that provide common build infrastructure for multiple .NET Foundation projects.

This repository contains the source code for .NET Monitor - a tool that allows you to gather diagnostic data from running applications using HTTP endpoints

Specialized .NET Streams and pipes for full duplex in-proc communication, web sockets, and multiplexing

Compiler and tooling experience for Razor ASP.NET Core apps in Visual Studio and VS Code.

The HTTP Read-Eval-Print Loop (REPL) is a lightweight, cross-platform command-line tool that's supported everywhere .NET Core is supported and is used for making HTTP requests to test ASP.NET Core...

Get Started as a Web Developer with .NET, C#, and ASP.NET Core

An experimental cross-platform native graphics library.