Top VISUAL-STUDIO GitHub Repositories & Tools (2026)

Visual Studio Code

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

An open source re-implementation of RollerCoaster Tycoon 2 🎢

A OneNote add-in with simple, yet powerful and useful features

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

Fast and exact implementation of the C++ from_chars functions for number types: 4x to 10x faster than strtod, part of GCC 12, MySQL, DuckDB, Chromium, Redis and WebKit/Safari

An open-source project for Windows developers to learn how to add AI with local models and APIs to Windows apps.

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

The next generation of tooling for Spring Boot, including support for Cloud Foundry manifest files, Concourse CI pipeline definitions, BOSH deployment manifests, and more... - Available for Visual Studio Code, Cursor, Eclipse, and Theia

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

YAML support for VS Code with built-in kubernetes syntax support

SonarQube extension for Visual Studio providing code quality and security feedback directly in the IDE

language server for systemd unit files - embedded documentation + complete LSP implementation in rust.

NUnit 3.0 Visual Studio test adapter for use under VS 2012 or later

Unofficial Tailwind CSS extension for IntelliSense, linting, sorting, and more to enhance the development experience in Visual Studio 2026 and 2022.

Visual Studio extension to show the code structure of your current document

An MSBuild SDK that provides similar functionality to SQL Server Data Tools (.sqlproj) projects