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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 193k 42.7k

  2. TypeScript TypeScript Public

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

    Go 111k 14.3k

  3. PowerToys PowerToys Public

    Microsoft PowerToys is a collection of utilities that supercharge productivity and customization on Windows

    C 139k 8.6k

  4. terminal terminal Public

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

    C++ 105k 9.6k

  5. semantic-kernel semantic-kernel Public

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

    C# 28.6k 4.8k

Repositories

Showing 10 of 8307 repositories
  • fhir-server Public

    A service that implements the FHIR standard

    microsoft/fhir-server's past year of commit activity
    TSQL 1,383 MIT 592 97 (2 issues need help) 76 Updated Sep 19, 2026
  • winappCli Public

    winapp, the Windows App Development CLI, is a single command-line interface for managing Windows SDKs, packaging, generating app identity, manifests, certificates, and using build tools with any app framework.

    microsoft/winappCli's past year of commit activity
    C# 1,259 MIT 80 65 13 Updated Sep 19, 2026
  • azurelinux Public

    General purpose Linux OS for Azure

    microsoft/azurelinux's past year of commit activity
    Python 5,343 MIT 706 21 222 Updated Sep 18, 2026
  • PowerToys Public

    Microsoft PowerToys is a collection of utilities that supercharge productivity and customization on Windows

    microsoft/PowerToys's past year of commit activity
    C 138,821 MIT 8,585 5,000+ (167 issues need help) 171 Updated Sep 19, 2026
  • awesome-rayfin Public

    Community-driven templates for Rayfin

    microsoft/awesome-rayfin's past year of commit activity
    TypeScript 95 MIT 24 4 19 Updated Sep 18, 2026
  • foundry-local Public
    microsoft/foundry-local's past year of commit activity
    C++ 2,553 369 76 35 Updated Sep 18, 2026
  • litebox Public

    A security-focused library OS supporting kernel- and user-mode execution

    microsoft/litebox's past year of commit activity
    Rust 2,692 MIT 144 123 33 Updated Sep 18, 2026
  • sqltoolsservice Public

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

    microsoft/sqltoolsservice's past year of commit activity
    C# 508 170 65 6 Updated Sep 18, 2026
  • aspire Public

    Aspire is the tool for code-first, extensible, observable dev and deploy.

    microsoft/aspire's past year of commit activity
    C# 6,314 MIT 991 2,133 (3 issues need help) 261 Updated Sep 18, 2026
  • vscode Public

    Visual Studio Code

    microsoft/vscode's past year of commit activity
    TypeScript 192,661 MIT 42,686 5,000+ (473 issues need help) 2,671 Updated Sep 18, 2026
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