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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 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
  • DiskANN Public

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

    microsoft/DiskANN’s past year of commit activity
    Rust 1,769 MIT 402 132 (3 issues need help) 74 Updated Apr 20, 2026
  • apm Public

    Agent Package Manager

    microsoft/apm’s past year of commit activity
    Python 1,912 MIT 114 53 (3 issues need help) 33 Updated Apr 20, 2026
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 184,036 MIT 39,288 5,000+ (501 issues need help) 1,757 Updated Apr 20, 2026
  • dbt-fabricspark Public

    A dbt adapter for Fabric Lakehouse backed by Apache Spark.

    microsoft/dbt-fabricspark’s past year of commit activity
    Python 52 MIT 27 5 2 Updated Apr 20, 2026
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs’s past year of commit activity
    10,497 MIT 6,747 1,157 382 Updated Apr 20, 2026
  • OpenAPI.NET.OData Public

    Generates OpenAPI document from OData CSDL

    microsoft/OpenAPI.NET.OData’s past year of commit activity
    C# 237 MIT 66 35 1 Updated Apr 20, 2026
  • OpenAPI.NET Public

    The OpenAPI.NET SDK contains a useful object model for OpenAPI documents in .NET along with common serializers to extract raw OpenAPI JSON and YAML documents from the model.

    microsoft/OpenAPI.NET’s past year of commit activity
    C# 1,581 MIT 276 23 (2 issues need help) 4 Updated Apr 20, 2026
  • kiota-typescript Public

    TypeScript libraries for Kiota-generated API clients.

    microsoft/kiota-typescript’s past year of commit activity
    TypeScript 61 MIT 34 10 (1 issue needs help) 5 Updated Apr 20, 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 0 1 Updated Apr 20, 2026
  • semantic-kernel Public

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

    microsoft/semantic-kernel’s past year of commit activity
    C# 27,749 MIT 4,560 368 117 Updated Apr 20, 2026
View all repositories

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