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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 141k 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 8435 repositories
  • Dynamics-365-FastTrack-Implementation-Assets Public

    Dynamics 365 FastTrack Implementation guides

    microsoft/Dynamics-365-FastTrack-Implementation-Assets's past year of commit activity
    Jupyter Notebook 509 MIT 307 68 11 Updated Nov 6, 2026
  • 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 20,390 2,960 469 (10 issues need help) 360 Updated Nov 6, 2026
  • kiota-bundle-go Public

    Bundle of abstractions and default implementations for kiota go clients

    microsoft/kiota-bundle-go's past year of commit activity
    Go 6 MIT 7 0 1 Updated Nov 6, 2026
  • kiota-serialization-text-go Public

    Text/plain serialization provider implementation for Kiota based SDKs

    microsoft/kiota-serialization-text-go's past year of commit activity
    Go 12 MIT 6 1 4 Updated Nov 6, 2026
  • kiota-abstractions-go Public

    Abstractions library for the Kiota generated SDKs in go

    microsoft/kiota-abstractions-go's past year of commit activity
    Go 19 MIT 20 6 (1 issue needs help) 4 Updated Nov 6, 2026
  • ValueLens-for-Microsoft-Copilot Public

    Power BI template for Microsoft Copilot & agent analytics — measure AI business value, ROI and cost, plus adoption, governance and user feedback across your whole Copilot estate in one place.

    microsoft/ValueLens-for-Microsoft-Copilot's past year of commit activity
    TypeScript 23 MIT 4 1 13 Updated Nov 6, 2026
  • kiota-java Public

    Java libraries for Kiota-generated API clients.

    microsoft/kiota-java's past year of commit activity
    Java 38 MIT 37 11 (2 issues need help) 5 Updated Nov 6, 2026
  • finops-toolkit Public

    Tools and resources to help you adopt and implement FinOps capabilities that automate and extend the Microsoft Cloud.

    microsoft/finops-toolkit's past year of commit activity
    PowerShell 623 MIT 270 262 (27 issues need help) 60 Updated Nov 6, 2026
  • agent-framework Public

    A framework for building, orchestrating and deploying AI agents and multi-agent workflows with support for Python and .NET.

    microsoft/agent-framework's past year of commit activity
    Python 14,561 MIT 2,584 667 230 Updated Nov 6, 2026
  • vscode Public

    Visual Studio Code

    microsoft/vscode's past year of commit activity
    TypeScript 194,857 MIT 44,405 5,000+ (455 issues need help) 3,100 Updated Nov 6, 2026
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