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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 37.1k

  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# 127k 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# 26.9k 4.4k

Repositories

Showing 10 of 7453 repositories
  • TypeScript-DOM-lib-generator Public

    Tool for generating dom related TypeScript and JavaScript library files

    microsoft/TypeScript-DOM-lib-generator’s past year of commit activity
    TypeScript 713 Apache-2.0 459 157 42 Updated Dec 27, 2025
  • fhir-server Public

    A service that implements the FHIR standard

    microsoft/fhir-server’s past year of commit activity
    TSQL 1,322 MIT 572 90 (3 issues need help) 44 Updated Dec 27, 2025
  • FlowQuery Public

    A declarative query language for data processing pipelines.

    microsoft/FlowQuery’s past year of commit activity
    TypeScript 3 MIT 0 0 0 Updated Dec 27, 2025
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs’s past year of commit activity
    PowerShell 10,048 MIT 5,815 1,101 1,088 Updated Dec 27, 2025
  • rushstack Public

    Monorepo for tools developed by the Rush Stack community

    microsoft/rushstack’s past year of commit activity
    TypeScript 6,386 658 856 (129 issues need help) 134 Updated Dec 27, 2025
  • vscode-mssql Public

    Visual Studio Code SQL Server extension.

    microsoft/vscode-mssql’s past year of commit activity
    TypeScript 1,814 555 143 10 Updated Dec 27, 2025
  • wil Public

    Windows Implementation Library

    microsoft/wil’s past year of commit activity
    C++ 2,834 MIT 274 109 22 Updated Dec 27, 2025
  • sqltoolsservice Public

    SQL Tools API service that provides SQL Server data management capabilities.

    microsoft/sqltoolsservice’s past year of commit activity
    C# 486 160 62 3 Updated Dec 27, 2025
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 180,048 MIT 37,076 5,000+ (556 issues need help) 928 Updated Dec 27, 2025
  • Simia-Agent-Training Public

    Official Implementation of "Simulating Environments with Reasoning Models for Agent Training"

    microsoft/Simia-Agent-Training’s past year of commit activity
    Python 48 MIT 3 6 8 Updated Dec 27, 2025
View all repositories

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