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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 182k 38.2k

  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 supercharge productivity and customization on Windows

    C# 130k 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# 27.3k 4.5k

Repositories

Showing 10 of 7611 repositories
  • rnx-kit Public

    Modern, scalable tools. Exceptional developer experience.

    microsoft/rnx-kit’s past year of commit activity
    TypeScript 1,705 MIT 115 45 (5 issues need help) 7 Updated Mar 2, 2026
  • ai-discovery-agent Public

    AIDA the AI Discovery Agent and Workshop Facilitator

    microsoft/ai-discovery-agent’s past year of commit activity
    Python 1 MIT 1 38 16 Updated Mar 2, 2026
  • zerotrustassessment Public

    Repository for the Zero Trust Assessment project

    microsoft/zerotrustassessment’s past year of commit activity
    HTML 283 MIT 126 57 11 Updated Mar 2, 2026
  • 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 3,688 MIT 478 0 2 Updated Mar 2, 2026
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs’s past year of commit activity
    PowerShell 10,282 MIT 6,215 1,133 365 Updated Mar 2, 2026
  • BCApps Public

    Repository for collaboration on Microsoft Dynamics 365 Business Central applications.

    microsoft/BCApps’s past year of commit activity
    AL 542 MIT 343 78 80 Updated Mar 2, 2026
  • vscode-pull-request-github Public

    GitHub Pull Requests for Visual Studio Code

    microsoft/vscode-pull-request-github’s past year of commit activity
    TypeScript 2,546 MIT 720 225 (1 issue needs help) 28 Updated Mar 2, 2026
  • terraform-provider-fabric Public

    Terraform Provider for Microsoft Fabric

    microsoft/terraform-provider-fabric’s past year of commit activity
    Go 106 MPL-2.0 18 41 10 Updated Mar 2, 2026
  • vscode-copilot-chat Public

    Copilot Chat extension for VS Code

    microsoft/vscode-copilot-chat’s past year of commit activity
    TypeScript 9,538 MIT 1,683 1 196 Updated Mar 2, 2026
  • 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# 989 MIT 291 195 31 Updated Mar 2, 2026
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