Visual Studio GitHub Repositories (2026) · Open Source Tools

An open source re-implementation of RollerCoaster Tycoon 2 🎢

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

AI coding agent for Visual Studio 2022/2026 — chat, inline completion, and five autonomous agents that explore, plan, patch, and verify builds. Works with the official DeepSeek API or any OpenAI-compatible endpoint.

std::tuple like methods for user defined types without any macro or boilerplate code

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

Sharpmake is an open-source C#-based solution for generating project definition files, such as Visual Studio projects and solutions, GNU makefiles, Xcode projects, etc.

An update to Component factory's krypton toolkit to support .NET Framework 4.6.2 - 4.8.1 to .NET 8 - 10

PowerShell module to interact with Visual Studio Setup

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

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

Python Tools for Visual Studio

Entity Framework Core Power Tools - reverse engineering, migrations and model visualization in Visual Studio & CLI

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

Convert code from C# to VB.NET and vice versa using Roslyn

Entity Framework Core queries debugger visualizer.

Managed Extensibility Framework (MEF) implementation used by Visual Studio

Return To The Roots (Settlers II(R) Clone)

GTK stack for Windows

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

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