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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 170k 31.8k

  2. TypeScript TypeScript Public

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

    TypeScript 104k 12.8k

  3. PowerToys PowerToys Public

    Windows system utilities to maximize productivity

    C# 118k 7k

  4. terminal terminal Public

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

    C++ 97.9k 8.5k

  5. semantic-kernel semantic-kernel Public

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

    C# 24.2k 3.8k

Repositories

Showing 10 of 6780 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 1,077 MIT 437 85 19 Updated Apr 28, 2025
  • PowerToys Public

    Windows system utilities to maximize productivity

    microsoft/PowerToys’s past year of commit activity
    C# 117,818 MIT 6,963 5,000+ (194 issues need help) 63 Updated Apr 28, 2025
  • documentdb Public

    DocumentDB is the open-source engine powering vCore-based Azure Cosmos DB for MongoDB. It offers a native implementation of document-oriented NoSQL database, enabling seamless CRUD operations on BSON data types within a PostgreSQL framework.

    microsoft/documentdb’s past year of commit activity
    C 1,626 MIT 81 29 (1 issue needs help) 6 Updated Apr 28, 2025
  • azurelinux Public

    Linux OS for Azure 1P services and edge appliances

    microsoft/azurelinux’s past year of commit activity
    RPM Spec 4,429 MIT 574 161 560 Updated Apr 28, 2025
  • windows-ai-studio-templates Public
    microsoft/windows-ai-studio-templates’s past year of commit activity
    Python 29 MIT 13 0 9 Updated Apr 28, 2025
  • pxt Public

    Microsoft MakeCode (PXT - Programming eXperience Toolkit)

    microsoft/pxt’s past year of commit activity
    TypeScript 2,150 MIT 595 198 (2 issues need help) 54 Updated Apr 28, 2025
  • Build-your-own-copilot-Solution-Accelerator Public

    Solution Accelerator to show how to build your own copilot

    microsoft/Build-your-own-copilot-Solution-Accelerator’s past year of commit activity
    TypeScript 181 MIT 106 1 22 Updated Apr 28, 2025
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs’s past year of commit activity
    PowerShell 9,288 MIT 5,001 897 131 Updated Apr 28, 2025
  • opensource.microsoft.com Public

    This is the source code to the Microsoft Open Source site featuring projects, program information, and "get involved" pages. This site is published at opensource.microsoft.com and managed by the Microsoft Open Source Programs Office (OSPO).

    microsoft/opensource.microsoft.com’s past year of commit activity
    TypeScript 901 MIT 418 0 5 Updated Apr 28, 2025
  • CyberBattleSim Public

    An experimentation and research platform to investigate the interaction of automated agents in an abstract simulated network environments.

    microsoft/CyberBattleSim’s past year of commit activity
    Jupyter Notebook 1,701 MIT 262 11 1 Updated Apr 28, 2025
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