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Open source projects and samples from Microsoft
README.md

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 181k 37.5k

  2. TypeScript TypeScript Public

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

    TypeScript 108k 13.2k

  3. PowerToys PowerToys Public

    Microsoft PowerToys is a collection of utilities that help you customize Windows and streamline everyday tasks

    C# 128k 7.6k

  4. terminal terminal Public

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

    C++ 101k 9k

  5. semantic-kernel semantic-kernel Public

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

    C# 27.1k 4.4k

Repositories

Showing 10 of 7503 repositories
  • 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 6,678 MIT 1,052 518 97 Updated Jan 21, 2026
  • fluentui-system-icons Public

    Fluent System Icons are a collection of familiar, friendly and modern icons from Microsoft.

    microsoft/fluentui-system-icons’s past year of commit activity
    HTML 10,310 MIT 762 183 (1 issue needs help) 26 Updated Jan 21, 2026
  • vscode-copilot-chat Public

    Copilot Chat extension for VS Code

    microsoft/vscode-copilot-chat’s past year of commit activity
    TypeScript 9,306 MIT 1,585 0 134 Updated Jan 21, 2026
  • vscode-mssql Public

    Visual Studio Code SQL Server extension.

    microsoft/vscode-mssql’s past year of commit activity
    TypeScript 1,825 567 146 14 Updated Jan 21, 2026
  • go Public

    The Microsoft build of Go is a modified version of Go that can build FIPS compliant applications that satisfy internal Microsoft policies.

    microsoft/go’s past year of commit activity
    Go 404 BSD-3-Clause 39 135 3 Updated Jan 21, 2026
  • planetary-computer-tasks Public

    PC Tasks: A framework for processing and ingesting data into the Planetary Computer

    microsoft/planetary-computer-tasks’s past year of commit activity
    Python 41 MIT 17 5 18 Updated Jan 21, 2026
  • typespec Public
    microsoft/typespec’s past year of commit activity
    Java 5,539 MIT 333 1,005 (2 issues need help) 38 Updated Jan 21, 2026
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 180,883 MIT 37,514 5,000+ (540 issues need help) 994 Updated Jan 21, 2026
  • ebpf-for-windows Public

    eBPF implementation that runs on top of Windows

    microsoft/ebpf-for-windows’s past year of commit activity
    C 3,399 MIT 272 242 (115 issues need help) 48 Updated Jan 21, 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# 1,569 MIT 283 23 (1 issue needs help) 1 Updated Jan 21, 2026
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