The .NET Compiler Platform ("Roslyn") provides open-source C# and Visual Basic compilers with rich code analysis APIs.

Roslyn-SDK templates and Syntax Vizualizer

An implementation of StyleCop rules using the .NET Compiler Platform

This repo contains Windows Presentation Foundation (WPF) for .NET Core

This repo contains Windows Forms for .NET Core.

PerfView is a performance-analysis tool that helps isolate CPU- and memory-related performance issues.

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

Integration test harness for Visual Studio extension development

🎬 ScreenToGif allows you to record a selected area of your screen, edit and save it as a gif or video.

Home for the dotnet-format command

The official AWS SDK for .NET. For more information on the AWS SDK for .NET, see our web site:

Run your xunit-based tests on an STA thread with the WPF Dispatcher, a WinForms SynchronizationContext, or even a cross-platform generic UI thread emulation with a SynchronizationContext that keeps…

The Microsoft.VisualStudio.Threading is a xplat library that provides many threading and synchronization primitives used in Visual Studio and other applications.

Source generator for language feature lightup

GitExtensions is a shell extension, a Visual Studio 2008/2010/2012 plugin and a standalone Git repository tool.

ANTLR 4 C# Target

The automatic type-safe REST library for .NET Core, Xamarin and .NET. Heavily inspired by Square's Retrofit library, Refit turns your REST API into a live interface.

Tools for ASP.NET Core apps, such as MSBuild targets, Visual Studio extensions, and command line tools. (Open issues on https://github.com/dotnet/aspnetcore/issues)

Production repository for the all-new Advantage360 Professional using ZMK engine

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

This is the codebase for the Entity Framework 6 and LINQ-To-SQL designers.

This repo houses the Razor Compiler, which is part of the .NET SDK

Mouse Fast Scroll extension for Visual Studio 2010+

A .NET library to run C# code in parallel on the GPU through DX12 and dynamically generated HLSL compute shaders, with the goal of making GPU computing easy to use for all .NET developers! 🚀

Prototype of mapping model for System.CommandLine

A Visual Studio extension

compile time dependency injection for .NET