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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 170k 31.7k

  2. TypeScript TypeScript Public

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

    TypeScript 104k 12.8k

  3. PowerToys PowerToys Public

    Windows system utilities to maximize productivity

    C# 117k 6.9k

  4. terminal terminal Public

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

    C++ 97.7k 8.5k

  5. semantic-kernel semantic-kernel Public

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

    C# 24.1k 3.7k

Repositories

Showing 10 of 6759 repositories
  • fluentui-blazor Public

    Microsoft Fluent UI Blazor components library. For use with ASP.NET Core Blazor applications

    microsoft/fluentui-blazor’s past year of commit activity
    C# 4,256 MIT 417 37 6 Updated Apr 19, 2025
  • vsts-extension-retrospectives Public

    An Azure DevOps extension for efficient retrospectives

    microsoft/vsts-extension-retrospectives’s past year of commit activity
    TypeScript 192 MIT 84 213 (3 issues need help) 14 Updated Apr 19, 2025
  • onnxruntime Public

    ONNX Runtime: cross-platform, high performance ML inferencing and training accelerator

    microsoft/onnxruntime’s past year of commit activity
    C++ 16,309 MIT 3,163 2,633 563 Updated Apr 19, 2025
  • autogen Public

    A programming framework for agentic AI 🤖 PyPi: autogen-agentchat Discord: https://aka.ms/autogen-discord Office Hour: https://aka.ms/autogen-officehour

    microsoft/autogen’s past year of commit activity
    Python 43,391 CC-BY-4.0 6,530 489 (29 issues need help) 48 Updated Apr 19, 2025
  • vscode-azureresourcegroups Public

    VS Code extension for managing Azure resources.

    microsoft/vscode-azureresourcegroups’s past year of commit activity
    TypeScript 61 MIT 40 122 3 Updated Apr 19, 2025
  • vs-streamjsonrpc Public

    The StreamJsonRpc library offers JSON-RPC 2.0 over any .NET Stream, WebSocket, or Pipe. With bonus support for request cancellation, client proxy generation, and more.

    microsoft/vs-streamjsonrpc’s past year of commit activity
    C# 817 153 47 (1 issue needs help) 11 Updated Apr 19, 2025
  • genaiscript Public

    Automatable GenAI Scripting

    microsoft/genaiscript’s past year of commit activity
    TypeScript 2,521 MIT 172 93 (2 issues need help) 3 Updated Apr 19, 2025
  • SqlNexus Public

    SQL Nexus is a tool that helps you identify the root cause of SQL Server performance issues. It loads and analyzes performance data collected by SQL LogScout, SQLDiag or PSSDiag. It can dramatically reduce the amount of time you spend manually analyzing data.

    microsoft/SqlNexus’s past year of commit activity
    C# 379 MIT 104 25 2 Updated Apr 19, 2025
  • vscode-azuretools Public

    Common packages for building Azure extensions for VS Code

    microsoft/vscode-azuretools’s past year of commit activity
    TypeScript 122 MIT 70 48 6 Updated Apr 19, 2025
  • azure_arc Public

    Automated Azure Arc, Azure Local, IoT, and Kubernetes environments

    microsoft/azure_arc’s past year of commit activity
    HTML 778 CC-BY-4.0 575 8 3 Updated Apr 19, 2025
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