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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 195k 44.4k

  2. TypeScript TypeScript Public

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

    Go 112k 15.4k

  3. PowerToys PowerToys Public

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

    C 140k 8.7k

  4. terminal terminal Public

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

    C++ 105k 9.7k

  5. semantic-kernel semantic-kernel Public

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

    C# 28.7k 4.9k

Repositories

Showing 10 of 8429 repositories
  • BCApps Public

    Repository for collaboration on Microsoft Dynamics 365 Business Central applications.

    microsoft/BCApps's past year of commit activity
    AL 720 MIT 489 298 530 Updated Nov 3, 2026
  • kiota Public

    OpenAPI based HTTP Client code generator

    microsoft/kiota's past year of commit activity
    C# 3,844 MIT 348 173 (25 issues need help) 74 Updated Nov 3, 2026
  • vscode Public

    Visual Studio Code

    microsoft/vscode's past year of commit activity
    TypeScript 194,530 MIT 44,397 5,000+ (462 issues need help) 3,103 Updated Nov 3, 2026
  • kompli Public

    The Linux native compliance and hardening engine. CIS, STIG, and custom baselines - audit, remediate, report.

    microsoft/kompli's past year of commit activity
    C++ 6 MIT 2 0 7 Updated Nov 3, 2026
  • Templates-For-Dynamics-365-Supply-Chain-Management-Demand-Forecasting-With-Azure-Machine-Learning Public

    Samples, templates and setup guides in order to run demand forecasting in Azure Machine Learning Service and integrate with Dynamics 365 SCM

    microsoft/Templates-For-Dynamics-365-Supply-Chain-Management-Demand-Forecasting-With-Azure-Machine-Learning's past year of commit activity
    Python 17 MIT 19 10 2 Updated Nov 3, 2026
  • kiota-serialization-multipart-go Public

    Kiota serialization provider implementation for Go and multipart form

    microsoft/kiota-serialization-multipart-go's past year of commit activity
    Go 8 MIT 5 0 5 Updated Nov 3, 2026
  • azure-pipelines-tasks Public

    Tasks for Azure Pipelines

    microsoft/azure-pipelines-tasks's past year of commit activity
    TypeScript 3,660 MIT 2,693 220 (16 issues need help) 210 Updated Nov 3, 2026
  • BC-Bench Public

    Inspired by SWE-Bench, for Business Central (AL) ecosystem.

    microsoft/BC-Bench's past year of commit activity
    Jupyter Notebook 61 MIT 34 1 53 Updated Nov 3, 2026
  • SWE-bench-Live Public

    [NeurIPS 2025 D&B] 🚀 SWE-bench Goes Live!

    microsoft/SWE-bench-Live's past year of commit activity
    Python 261 MIT 33 6 54 Updated Nov 3, 2026
  • testfx Public

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

    microsoft/testfx's past year of commit activity
    C# 1,057 MIT 312 56 13 Updated Nov 3, 2026
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