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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 182k 38k

  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 supercharge productivity and customization on Windows

    C# 130k 7.7k

  4. terminal terminal Public

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

    C++ 102k 9.1k

  5. semantic-kernel semantic-kernel Public

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

    C# 27.3k 4.5k

Repositories

Showing 10 of 7578 repositories
  • 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# 987 MIT 292 192 25 Updated Feb 20, 2026
  • vscode-telemetry-extractor Public

    Allows the extraction of telemetry events from the VS Code source code

    microsoft/vscode-telemetry-extractor’s past year of commit activity
    TypeScript 9 MIT 18 0 1 Updated Feb 20, 2026
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 181,927 MIT 38,047 5,000+ (529 issues need help) 1,163 Updated Feb 20, 2026
  • agent-academy Public

    Curated lessons on getting started building agents with Copilot Studio

    microsoft/agent-academy’s past year of commit activity
    PowerShell 1,604 MIT 120 96 1 Updated Feb 20, 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 Feb 20, 2026
  • zerotrustassessment Public

    Repository for the Zero Trust Assessment project

    microsoft/zerotrustassessment’s past year of commit activity
    HTML 276 MIT 126 48 17 Updated Feb 20, 2026
  • azuredatastudio Public

    Azure Data Studio is a data management and development tool with connectivity to popular cloud and on-premises databases. Azure Data Studio supports Windows, macOS, and Linux, with immediate capability to connect to Azure SQL and SQL Server. Browse the extension library for more database support options including MySQL, PostgreSQL, and MongoDB.

    microsoft/azuredatastudio’s past year of commit activity
    TypeScript 7,717 MIT 978 2,573 (3 issues need help) 33 Updated Feb 20, 2026
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs’s past year of commit activity
    PowerShell 10,253 MIT 6,122 1,107 256 Updated Feb 20, 2026
  • LangChain4j-for-Beginners Public

    A course for AI applications with LangChain4j from simple chat to AI agents.

    microsoft/LangChain4j-for-Beginners’s past year of commit activity
    Java 176 MIT 60 0 1 Updated Feb 20, 2026
  • PR-Metrics Public

    A GitHub Action & Azure Pipelines task for augmenting pull request titles to let reviewers quickly determine PR size and test coverage.

    microsoft/PR-Metrics’s past year of commit activity
    TypeScript 76 MIT 15 0 0 Updated Feb 20, 2026
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