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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 38k

  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# 27.2k 4.5k

Repositories

Showing 10 of 7575 repositories
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 181,744 MIT 37,983 5,000+ (528 issues need help) 1,133 Updated Feb 17, 2026
  • Oryx Public

    Build your repo automatically.

    microsoft/Oryx’s past year of commit activity
    C# 859 195 80 144 Updated Feb 17, 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 3,675 MIT 475 1 3 Updated Feb 17, 2026
  • LangChain4j-for-Beginners Public

    A course for AI applications with LangChain4j from simple chat to AI agents.

    microsoft/LangChain4j-for-Beginners’s past year of commit activity
    Java 169 MIT 56 1 1 Updated Feb 17, 2026
  • 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 7,208 MIT 1,166 587 130 Updated Feb 17, 2026
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs’s past year of commit activity
    PowerShell 10,249 MIT 6,101 1,102 516 Updated Feb 17, 2026
  • kiota Public

    OpenAPI based HTTP Client code generator

    microsoft/kiota’s past year of commit activity
    C# 3,645 MIT 301 146 (27 issues need help) 30 Updated Feb 17, 2026
  • aitour26-LTG156-safeguard-agentic-ai-solutions-with-ai-red-teaming-agent Public
    microsoft/aitour26-LTG156-safeguard-agentic-ai-solutions-with-ai-red-teaming-agent’s past year of commit activity
    1 MIT 3 1 1 Updated Feb 17, 2026
  • AL-Go-AppSource Public template

    Template for Business Central AppSource projects. Click the link below to create a new repository.

    microsoft/AL-Go-AppSource’s past year of commit activity
    PowerShell 73 37 0 0 Updated Feb 17, 2026
  • AL-Go-PTE Public template

    Template for Business Central Per Tenant Extensions projects. Click the link below to create a new repository.

    microsoft/AL-Go-PTE’s past year of commit activity
    PowerShell 154 84 0 0 Updated Feb 17, 2026
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