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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 183k 38.5k

  2. TypeScript TypeScript Public

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

    TypeScript 108k 13.3k

  3. PowerToys PowerToys Public

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

    C# 130k 7.8k

  4. terminal terminal Public

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

    C++ 102k 9.1k

  5. semantic-kernel semantic-kernel Public

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

    C# 27.4k 4.5k

Repositories

Showing 10 of 7654 repositories
  • vscode-documentdb Public

    DocumentDB Extension for VS Code

    microsoft/vscode-documentdb’s past year of commit activity
    TypeScript 22 MIT 8 65 (1 issue needs help) 9 Updated Mar 12, 2026
  • go-infra Public

    Infrastructure supporting the use of Go in Microsoft

    microsoft/go-infra’s past year of commit activity
    Go 37 MIT 10 0 4 Updated Mar 12, 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 11 MIT 2 1 1 Updated Mar 12, 2026
  • FlowQuery Public

    A declarative OpenCypher-based query language for virtual graphs and data processing pipelines.

    microsoft/FlowQuery’s past year of commit activity
    Python 8 MIT 1 0 0 Updated Mar 12, 2026
  • kiota-serialization-form-go Public

    Kiota serialization provider implementation for form encoded

    microsoft/kiota-serialization-form-go’s past year of commit activity
    Go 10 MIT 1 1 1 Updated Mar 12, 2026
  • MassMailingPaaSOnPremConnector Public

    Transport Agent for Microsoft Exchange Server to enable mass-mailing PaaS services adoption without re-developing downstream applications.

    microsoft/MassMailingPaaSOnPremConnector’s past year of commit activity
    C# 4 MIT 1 0 0 Updated Mar 12, 2026
  • waza Public

    CLI / Framework for Agent Skills - create, test, measure and improve skill quality and effectiveness

    microsoft/waza’s past year of commit activity
    Go 12 MIT 6 45 6 Updated Mar 12, 2026
  • DiskANN Public

    Graph-structured Indices for Scalable, Fast, Fresh and Filtered Approximate Nearest Neighbor Search

    microsoft/DiskANN’s past year of commit activity
    Rust 1,719 MIT 384 115 (3 issues need help) 77 Updated Mar 12, 2026
  • powerbi-powershell Public

    PowerShell community for Microsoft PowerBI. Here you will find resources and source for PowerShell modules targeting PowerBI.

    microsoft/powerbi-powershell’s past year of commit activity
    C# 398 MIT 131 171 8 Updated Mar 12, 2026
  • graphitation Public

    GraphQL tooling & runtime support needed for MS Teams and beyond

    microsoft/graphitation’s past year of commit activity
    TypeScript 150 MIT 45 31 30 Updated Mar 12, 2026
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