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dotnet

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aspnetcore

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

maui

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

core

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

roslyn

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

corefx

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

runtime

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

coreclr

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

efcore

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

AspNetCore.Docs

Documentation for ASP.NET Core

csharplang

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

BenchmarkDotNet

Powerful .NET library for benchmarking

orleans

Cloud Native application framework for .NET

blazor

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

machinelearning

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

reactive

The Reactive Extensions for .NET

wpf

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

tye

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 the ability to deploy microservices to Kubernetes with minimal configuration.

msbuild

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

winforms

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

MQTTnet

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/.

machinelearning-samples

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

dotnet-docker

Docker images for .NET and the .NET Tools.

Open-XML-SDK

Open XML SDK by Microsoft

docs

This repository contains .NET Documentation.

Silk.NET

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

fsharp

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

docfx

Static site generator for .NET API documentation.

cli

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, ...).

command-line-api

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

standard

This repo is building the .NET Standard

roslynator

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

aspnet-api-versioning

Provides a set of libraries which add service API versioning to ASP.NET Web API, OData with ASP.NET Web API, and ASP.NET Core.

corert

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

samples

Sample code referenced by the .NET documentation

try

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

vscode-csharp

Official C# support for Visual Studio Code

interactive

.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 ways you couldn't before.

sdk

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

extensions

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

maui-samples

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

Docker.DotNet

🐳 .NET (C#) Client Library for Docker API

pinvoke

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.

spark

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

iot

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

android

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

format

Home for the dotnet-format command

wcf

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

Comet

Comet is an MVU UIToolkit written in C#

templating

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

dotNext

Next generation API for .NET

roslyn-analyzers

llilc

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.

infer

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

EntityFramework.Docs

Documentation for Entity Framework Core and Entity Framework 6

corefxlab

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

ef6

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.

ResXResourceManager

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

installer

.NET SDK Installer

announcements

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

codeformatter

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

Nerdbank.GitVersioning

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.

MobileBlazorBindings

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

runtimelab

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

ILMerge

ILMerge is a static linker for .NET Assemblies.

try-convert

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

sourcelink

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

diagnostics

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

upgrade-assistant

A tool to assist developers in upgrading .NET Framework applications to .NET 6 and beyond

project-system

The .NET Project System for Visual Studio

try-samples

TorchSharp

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

designs

This repo is used for reviewing new .NET designs.

ClangSharp

Clang bindings for .NET written in C#

crank

Benchmarking infrastructure for applications

LLVMSharp

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

DataGridExtensions

Modular extensions for the WPF DataGrid control

SqlClient

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

intro-to-dotnet-web-dev

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

Microsoft.Maui.Graphics

An experimental cross-platform native graphics library.

arcade

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

HttpRepl

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 web APIs and view their results.

csharp-notebooks

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

Jupyter Notebook

performance

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

Microsoft.Maui.Graphics.Controls

Experimental Microsoft.Maui.Graphics.Controls - Build drawn controls (Cupertino, Fluent and Material)

Scaffolding

Code generators to speed up development.

csharpstandard

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

cli-lab

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.

dotnet-console-games

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

WatsonTcp

WatsonTcp is the easiest way to build TCP-based clients and servers in C#.

dotnet-api-docs

.NET API reference documentation (.NET 5+, .NET Core, .NET Framework)

dotnet-docker-samples

The .NET Core Docker samples have moved to https://github.com/dotnet/dotnet-docker/tree/master/samples

dotnet-monitor

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

Nerdbank.Streams

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

Kerberos.NET

A Kerberos implementation built entirely in managed code.

blazor-samples

buildtools

Build tools that are necessary for building the .NET Core projects

roslyn-sdk

Roslyn-SDK templates and Syntax Visualizer

core-setup

Installer packages for the .NET Core runtime and libraries

training-tutorials

Getting started tutorials for C# and ASP.NET

WatsonWebserver

Watson is the fastest, easiest way to build scalable RESTful web servers and services in C#.