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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 37.7k

  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# 129k 7.7k

  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# 27.1k 4.4k

Repositories

Showing 10 of 7533 repositories
  • PhiCookBook Public

    This is a Phi Family of SLMs book for getting started with Phi Models. Phi a family of open sourced AI models developed by Microsoft. Phi models are the most capable and cost-effective small language models (SLMs) available, outperforming models of the same size and next size up across a variety of language, reasoning, coding, and math benchmarks

    microsoft/PhiCookBook’s past year of commit activity
    Jupyter Notebook 3,661 MIT 476 1 15 Updated Feb 1, 2026
  • litebox Public

    A security-focused library OS supporting kernel- and user-mode execution

    microsoft/litebox’s past year of commit activity
    Rust 6 MIT 4 60 18 Updated Feb 1, 2026
  • Container-Migration-Solution-Accelerator Public

    This accelerator is a multi-service application that provides a multi-agent, AI-driven migration solution for users moving container service configurations from a cloud platform to Azure Kubernetes Service.

    microsoft/Container-Migration-Solution-Accelerator’s past year of commit activity
    Python 6 MIT 18 0 19 Updated Feb 1, 2026
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 181,240 MIT 37,690 5,000+ (539 issues need help) 1,018 Updated Feb 1, 2026
  • tyger Public

    Remote signal processing.

    microsoft/tyger’s past year of commit activity
    Go 58 MIT 17 11 1 Updated Feb 1, 2026
  • 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 R&D-Agent, which lets AI drive data-driven AI. 🔗https://aka.ms/RD-Agent-Tech-Report

    microsoft/RD-Agent’s past year of commit activity
    Python 10,529 MIT 1,199 65 68 Updated Feb 1, 2026
  • mssql-python Public

    Microsoft Python Driver for SQL Server

    microsoft/mssql-python’s past year of commit activity
    Python 362 36 26 (1 issue needs help) 16 Updated Feb 1, 2026
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs’s past year of commit activity
    PowerShell 10,193 MIT 5,990 1,098 473 Updated Feb 1, 2026
  • BCApps Public

    Repository for collaboration on Microsoft Dynamics 365 Business Central applications.

    microsoft/BCApps’s past year of commit activity
    AL 526 MIT 319 71 67 Updated Feb 1, 2026
  • beachball-actions Public

    GitHub actions for Beachball

    microsoft/beachball-actions’s past year of commit activity
    TypeScript 2 MIT 2 1 1 Updated Feb 1, 2026
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