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Open source projects and samples from Microsoft
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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 169k 31k

  2. TypeScript TypeScript Public

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

    TypeScript 103k 12.7k

  3. PowerToys PowerToys Public

    Windows system utilities to maximize productivity

    C# 116k 6.8k

  4. terminal terminal Public

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

    C++ 97.4k 8.5k

  5. semantic-kernel semantic-kernel Public

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

    C# 23.5k 3.6k

Repositories

Showing 10 of 6698 repositories
  • onnxruntime Public

    ONNX Runtime: cross-platform, high performance ML inferencing and training accelerator

    microsoft/onnxruntime’s past year of commit activity
    C++ 15,949 MIT 3,092 2,570 576 Updated Mar 13, 2025
  • vscode-cosmosdb Public

    Azure Databases extension for VS Code

    microsoft/vscode-cosmosdb’s past year of commit activity
    TypeScript 164 MIT 72 139 6 Updated Mar 13, 2025
  • fluentui Public

    Fluent UI web represents a collection of utilities, React components, and web components for building web applications.

    microsoft/fluentui’s past year of commit activity
    TypeScript 18,914 2,773 500 (7 issues need help) 180 Updated Mar 13, 2025
  • MHA Public

    Message Header Analyzer Add-in For Outlook

    microsoft/MHA’s past year of commit activity
    TypeScript 304 MIT 54 18 (1 issue needs help) 2 Updated Mar 13, 2025
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 168,675 MIT 31,000 5,000+ (397 issues need help) 511 Updated Mar 13, 2025
  • Qcodes Public

    Modular data acquisition framework

    microsoft/Qcodes’s past year of commit activity
    Python 362 MIT 321 181 44 Updated Mar 13, 2025
  • presidio Public

    Context aware, pluggable and customizable data protection and de-identification SDK for text and images

    microsoft/presidio’s past year of commit activity
    Python 4,256 MIT 610 69 (11 issues need help) 13 Updated Mar 13, 2025
  • PowerToys Public

    Windows system utilities to maximize productivity

    microsoft/PowerToys’s past year of commit activity
    C# 116,166 MIT 6,848 5,000+ (176 issues need help) 80 Updated Mar 13, 2025
  • go-images Public

    Docker image packaging and publishing for the Microsoft build of Go

    microsoft/go-images’s past year of commit activity
    PowerShell 15 BSD-3-Clause 8 0 0 Updated Mar 13, 2025
  • 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 70,230 Apache-2.0 3,942 760 16 Updated Mar 13, 2025
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