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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 180k 37.3k

  2. TypeScript TypeScript Public

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

    TypeScript 107k 13.2k

  3. PowerToys PowerToys Public

    Microsoft PowerToys is a collection of utilities that help you customize Windows and streamline everyday tasks

    C# 128k 7.6k

  4. terminal terminal Public

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

    C++ 101k 9k

  5. semantic-kernel semantic-kernel Public

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

    C# 27k 4.4k

Repositories

Showing 10 of 7469 repositories
  • 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 1,115 MIT 456 85 16 Updated Jan 9, 2026
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 180,473 MIT 37,269 5,000+ (548 issues need help) 959 Updated Jan 9, 2026
  • Application-Insights-Workbooks Public

    Templates for Azure Monitor Workbooks

    microsoft/Application-Insights-Workbooks’s past year of commit activity
    JSON 636 MIT 495 17 35 Updated Jan 9, 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 3,646 MIT 474 0 1 Updated Jan 9, 2026
  • git Public Forked from git-for-windows/git

    A fork of Git containing Microsoft-specific patches.

    microsoft/git’s past year of commit activity
    C 867 28,501 18 3 Updated Jan 9, 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 2,522 MIT 704 217 (1 issue needs help) 28 Updated Jan 9, 2026
  • GHCP-x-AKS- Public

    Repo for the detailed AKS MCP server and scenarios with the GHCP

    microsoft/GHCP-x-AKS-’s past year of commit activity
    PowerShell 0 0 2 1 Updated Jan 9, 2026
  • FLAML Public

    A fast library for AutoML and tuning. Join our Discord: https://discord.gg/Cppx2vSPVP.

    microsoft/FLAML’s past year of commit activity
    Jupyter Notebook 4,267 MIT 548 199 (14 issues need help) 27 Updated Jan 9, 2026
  • fabric-toolbox Public

    Fabric toolbox is a repository of tools, accelerators, scripts, and samples to accelerate your success with Microsoft Fabric, brought to you by Fabric CAT.

    microsoft/fabric-toolbox’s past year of commit activity
    Jupyter Notebook 616 MIT 240 38 7 Updated Jan 9, 2026
  • syntheseus Public

    Package for Retrosynthetic Planning

    microsoft/syntheseus’s past year of commit activity
    Python 177 MIT 28 6 (1 issue needs help) 0 Updated Jan 9, 2026
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