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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 39.3k

  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 7778 repositories
  • AzureTRE Public

    An accelerator to help organizations build Trusted Research Environments on Azure.

    microsoft/AzureTRE’s past year of commit activity
    Python 226 MIT 180 285 (5 issues need help) 30 Updated Apr 20, 2026
  • presidio Public

    An open-source framework for detecting, redacting, masking, and anonymizing sensitive data (PII) across text, images, and structured data. Supports NLP, pattern matching, and customizable pipelines.

    microsoft/presidio’s past year of commit activity
    Python 7,667 MIT 1,004 58 (4 issues need help) 8 Updated Apr 20, 2026
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 184,038 MIT 39,287 5,000+ (501 issues need help) 1,759 Updated Apr 20, 2026
  • Oryx Public

    Build your repo automatically.

    microsoft/Oryx’s past year of commit activity
    C# 866 193 86 152 Updated Apr 20, 2026
  • vstest Public

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

    microsoft/vstest’s past year of commit activity
    C# 957 MIT 350 61 22 Updated Apr 20, 2026
  • react-native-windows Public

    A framework for building native Windows apps with React.

    microsoft/react-native-windows’s past year of commit activity
    C++ 17,237 1,195 696 (12 issues need help) 56 Updated Apr 20, 2026
  • mssql-python Public

    Microsoft Python Driver for SQL Server

    microsoft/mssql-python’s past year of commit activity
    Python 413 46 35 21 Updated Apr 20, 2026
  • bioemu-benchmarks Public

    Benchmarking code accompanying the release of `bioemu`

    microsoft/bioemu-benchmarks’s past year of commit activity
    Python 58 MIT 9 1 1 Updated Apr 20, 2026
  • just Public

    The task library that just works

    microsoft/just’s past year of commit activity
    TypeScript 2,026 MIT 96 20 (1 issue needs help) 11 Updated Apr 20, 2026
  • playwright Public

    Playwright is a framework for Web Testing and Automation. It allows testing Chromium, Firefox and WebKit with a single API.

    microsoft/playwright’s past year of commit activity
    TypeScript 86,863 Apache-2.0 5,533 604 22 Updated Apr 20, 2026
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