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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 168k 30.7k

  2. TypeScript TypeScript Public

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

    TypeScript 102k 12.7k

  3. PowerToys PowerToys Public

    Windows system utilities to maximize productivity

    C# 115k 6.8k

  4. terminal terminal Public

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

    C++ 97.1k 8.5k

  5. semantic-kernel semantic-kernel Public

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

    C# 23.2k 3.5k

Repositories

Showing 10 of 6660 repositories
  • ALAppExtensions Public

    Repository for collaboration on Microsoft AL application add-on and localization extensions for Microsoft Dynamics 365 Business Central.

    microsoft/ALAppExtensions’s past year of commit activity
    AL 830 MIT 631 225 38 Updated Feb 22, 2025
  • vs-solutionpersistence Public

    Shared serializers and models for Visual Studio solution files. Handles traditional .sln file and new .slnx file.

    microsoft/vs-solutionpersistence’s past year of commit activity
    C# 80 MIT 7 9 1 Updated Feb 22, 2025
  • testfx Public

    This repository holds the source code of Microsoft.Testing.Platform (MTP), a lightweight alternative to VSTest, as well as MSTest adapter and framework.

    microsoft/testfx’s past year of commit activity
    C# 846 MIT 266 194 18 Updated Feb 22, 2025
  • mssql-jdbc Public

    The Microsoft JDBC Driver for SQL Server is a Type 4 JDBC driver that provides database connectivity with SQL Server through the standard JDBC application program interfaces (APIs).

    microsoft/mssql-jdbc’s past year of commit activity
    Java 1,073 MIT 433 86 19 Updated Feb 22, 2025
  • navcontainerhelper Public

    Official Microsoft repository for BcContainerHelper, a PowerShell module, which makes it easier to work with Business Central Containers on Docker.

    microsoft/navcontainerhelper’s past year of commit activity
    PowerShell 399 MIT 248 132 (14 issues need help) 4 Updated Feb 22, 2025
  • win-net-test Public

    Networking related test tools for Windows. Relevant for anyone who is interested in Windows networking.

    microsoft/win-net-test’s past year of commit activity
    C 26 MIT 5 3 3 Updated Feb 22, 2025
  • onnxruntime Public

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

    microsoft/onnxruntime’s past year of commit activity
    C++ 15,694 MIT 3,052 2,537 542 Updated Feb 22, 2025
  • RD-Agent Public

    Research and development (R&D) is crucial for the enhancement of industrial productivity, especially in the AI era, where the core aspects of R&D are mainly focused on data and models. We are committed to automating these high-value generic R&D processes through our open source R&D automation tool RD-Agent, which lets AI drive data-driven AI.

    microsoft/RD-Agent’s past year of commit activity
    Python 1,685 MIT 148 14 17 Updated Feb 22, 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 39,936 CC-BY-4.0 5,884 511 (9 issues need help) 47 Updated Feb 22, 2025
  • mu_feature_ffa Public
    microsoft/mu_feature_ffa’s past year of commit activity
    C 0 0 0 4 Updated Feb 22, 2025
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Developer Program Member