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Open source projects and samples from Microsoft
README.md

Open Source at Microsoft

Get Involved

Right now, open communities are building amazing software together, and there are excellent "good first issue" opportunities, if you're looking to get involved.

Visit opensource.microsoft.com to learn more!

Microsoft projects adopt the Microsoft Open Source Code of Conduct. For more information see the Code of Conduct FAQ.

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  1. vscode vscode Public

    Visual Studio Code

    TypeScript 184k 39.2k

  2. TypeScript TypeScript Public

    TypeScript is a superset of JavaScript that compiles to clean JavaScript output.

    TypeScript 109k 13.4k

  3. PowerToys PowerToys Public

    Microsoft PowerToys is a collection of utilities that supercharge productivity and customization on Windows

    C# 132k 7.9k

  4. terminal terminal Public

    The new Windows Terminal and the original Windows console host, all in the same place!

    C++ 103k 9.2k

  5. semantic-kernel semantic-kernel Public

    Integrate cutting-edge LLM technology quickly and easily into your apps

    C# 27.7k 4.6k

Repositories

Showing 10 of 7772 repositories
  • vscode-mssql Public

    Visual Studio Code SQL Server extension.

    microsoft/vscode-mssql’s past year of commit activity
    TypeScript 1,866 580 165 15 Updated Apr 17, 2026
  • PR-Metrics Public

    A GitHub Action & Azure Pipelines task for augmenting pull request titles to let reviewers quickly determine PR size and test coverage.

    microsoft/PR-Metrics’s past year of commit activity
    TypeScript 77 MIT 15 0 1 Updated Apr 17, 2026
  • typescript-go Public

    Staging repo for development of native port of TypeScript

    microsoft/typescript-go’s past year of commit activity
    Go 24,803 Apache-2.0 893 91 (1 issue needs help) 55 Updated Apr 17, 2026
  • DacFx Public

    DacFx, SqlPackage, and other SQL development libraries enable declarative database development and database portability across SQL versions and environments. Share feedback here on dacpacs, bacpacs, and SQL projects.

    microsoft/DacFx’s past year of commit activity
    C# 446 MIT 26 192 (1 issue needs help) 4 Updated Apr 17, 2026
  • Olive Public

    Olive: Simplify ML Model Finetuning, Conversion, Quantization, and Optimization for CPUs, GPUs and NPUs.

    microsoft/Olive’s past year of commit activity
    Python 2,296 MIT 292 19 16 Updated Apr 17, 2026
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs’s past year of commit activity
    10,492 MIT 6,717 1,146 261 Updated Apr 17, 2026
  • winget-cli Public

    WinGet is the Windows Package Manager. This project includes a CLI (Command Line Interface), PowerShell modules, and a COM (Component Object Model) API (Application Programming Interface).

    microsoft/winget-cli’s past year of commit activity
    C++ 25,710 MIT 1,715 1,239 22 Updated Apr 17, 2026
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 183,958 MIT 39,244 5,000+ (502 issues need help) 1,741 Updated Apr 17, 2026
  • mcp Public

    Catalog of official Microsoft MCP (Model Context Protocol) server implementations for AI-powered data access and tool integration

    microsoft/mcp’s past year of commit activity
    C# 2,980 MIT 457 211 (15 issues need help) 83 Updated Apr 17, 2026
  • osconfig Public
    microsoft/osconfig’s past year of commit activity
    PowerShell 43 MIT 7 0 1 Updated Apr 17, 2026
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