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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 181k 37.7k

  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 help you customize Windows and streamline everyday tasks

    C# 129k 7.6k

  4. terminal terminal Public

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

    C++ 102k 9k

  5. semantic-kernel semantic-kernel Public

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

    C# 27.1k 4.4k

Repositories

Showing 10 of 7532 repositories
  • PowerToys Public

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

    microsoft/PowerToys’s past year of commit activity
    C# 128,586 MIT 7,646 5,000+ (212 issues need help) 83 Updated Jan 30, 2026
  • fluentui-blazor Public

    Microsoft Fluent UI Blazor components library. For use with ASP.NET Core Blazor applications

    microsoft/fluentui-blazor’s past year of commit activity
    C# 4,663 MIT 461 28 7 Updated Jan 30, 2026
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 181,189 MIT 37,654 5,000+ (539 issues need help) 1,012 Updated Jan 30, 2026
  • vscode-copilot-chat Public

    Copilot Chat extension for VS Code

    microsoft/vscode-copilot-chat’s past year of commit activity
    TypeScript 9,353 MIT 1,608 0 145 Updated Jan 30, 2026
  • Dynamics365Commerce.ScaleUnit Public

    Repository for hosting the Dynamics 365 Commerce ScaleUnit Samples

    microsoft/Dynamics365Commerce.ScaleUnit’s past year of commit activity
    PowerShell 84 81 0 0 Updated Jan 30, 2026
  • Qcodes Public

    Modular data acquisition framework

    microsoft/Qcodes’s past year of commit activity
    Python 415 MIT 343 197 59 Updated Jan 30, 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# 981 MIT 291 202 16 Updated Jan 30, 2026
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs’s past year of commit activity
    PowerShell 10,188 MIT 5,974 1,099 471 Updated Jan 30, 2026
  • 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 1,116 MIT 458 88 20 Updated Jan 30, 2026
  • SPID-and-Digital-Identity-Enabler Public

    This repo contains the SPIDProxy code and several ADFS/Azure B2C related scripts and assets. SPIDProxy allows to communicate with SPID, CIE and eIDAS. The repo also contains a web app enabling CNS authentication through ADFS and AAD B2C.

    microsoft/SPID-and-Digital-Identity-Enabler’s past year of commit activity
    C# 29 MIT 12 7 (2 issues need help) 4 Updated Jan 30, 2026
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