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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 181k 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 7473 repositories
  • document-generation-solution-accelerator Public

    Document Generation Solution Accelerator using Azure OpenAI Service and Azure AI Search.

    microsoft/document-generation-solution-accelerator’s past year of commit activity
    Python 175 MIT 157 1 8 Updated Jan 12, 2026
  • coe-starter-kit Public
    microsoft/coe-starter-kit’s past year of commit activity
    TypeScript 912 237 122 96 Updated Jan 12, 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# 4,644 MIT 459 29 6 Updated Jan 12, 2026
  • vscode-copilot-chat Public

    Copilot Chat extension for VS Code

    microsoft/vscode-copilot-chat’s past year of commit activity
    TypeScript 9,261 MIT 1,560 0 118 Updated Jan 12, 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# 975 MIT 291 212 20 Updated Jan 12, 2026
  • FluidHelloWorld Public

    Hello World Example for the Fluid Framework

    microsoft/FluidHelloWorld’s past year of commit activity
    JavaScript 138 MIT 76 0 1 Updated Jan 12, 2026
  • BCApps Public

    Repository for collaboration on Microsoft Dynamics 365 Business Central applications.

    microsoft/BCApps’s past year of commit activity
    AL 509 MIT 309 64 59 Updated Jan 12, 2026
  • vscode-docs Public

    Public documentation for Visual Studio Code

    microsoft/vscode-docs’s past year of commit activity
    Markdown 6,339 5,511 90 (1 issue needs help) 15 Updated Jan 12, 2026
  • finops-toolkit Public

    Tools and resources to help you adopt and implement FinOps capabilities that automate and extend the Microsoft Cloud.

    microsoft/finops-toolkit’s past year of commit activity
    PowerShell 494 MIT 189 203 (28 issues need help) 29 Updated Jan 12, 2026
  • go-infra Public

    Infrastructure supporting the use of Go in Microsoft

    microsoft/go-infra’s past year of commit activity
    Go 36 MIT 11 0 4 Updated Jan 12, 2026
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