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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 166k 30k

  2. TypeScript TypeScript Public

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

    TypeScript 102k 12.6k

  3. PowerToys PowerToys Public

    Windows system utilities to maximize productivity

    C# 114k 6.7k

  4. terminal terminal Public

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

    C++ 96.4k 8.4k

  5. semantic-kernel semantic-kernel Public

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

    C# 22.6k 3.4k

Repositories

Showing 10 of 6603 repositories
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs’s past year of commit activity
    PowerShell 8,897 MIT 4,680 843 251 Updated Jan 8, 2025
  • terraform-provider-fabric Public

    Terraform Provider for Microsoft Fabric

    microsoft/terraform-provider-fabric’s past year of commit activity
    Go 28 MPL-2.0 9 15 3 Updated Jan 8, 2025
  • testfx Public

    MSTest framework and adapter

    microsoft/testfx’s past year of commit activity
    C# 821 MIT 261 175 20 Updated Jan 8, 2025
  • symphony Public

    CI/CD for IaC on multiple orchestrators

    microsoft/symphony’s past year of commit activity
    Shell 181 MIT 23 40 2 Updated Jan 8, 2025
  • demikernel Public

    Kernel-Bypass LibOS Architecture

    microsoft/demikernel’s past year of commit activity
    Rust 1,078 MIT 125 82 (6 issues need help) 13 Updated Jan 8, 2025
  • kata-containers Public Forked from kata-containers/kata-containers

    Kata Containers is an open source project and community working to build a standard implementation of lightweight Virtual Machines (VMs) that feel and perform like containers, but provide the workload isolation and security advantages of VMs. https://katacontainers.io/

    microsoft/kata-containers’s past year of commit activity
    Rust 47 Apache-2.0 1,204 0 12 Updated Jan 8, 2025
  • gctoolkit Public

    Tool for parsing GC logs

    microsoft/gctoolkit’s past year of commit activity
    Java 1,256 MIT 156 66 (3 issues need help) 1 Updated Jan 8, 2025
  • m365-renovate-config Public

    Shared Renovate configuration for M365 projects

    microsoft/m365-renovate-config’s past year of commit activity
    JavaScript 9 MIT 5 1 2 Updated Jan 8, 2025
  • AdaptiveCards Public

    A new way for developers to exchange card content in a common and consistent way.

    microsoft/AdaptiveCards’s past year of commit activity
    C# 1,777 MIT 559 753 (3 issues need help) 25 Updated Jan 8, 2025
  • playwright Public

    Playwright is a framework for Web Testing and Automation. It allows testing Chromium, Firefox and WebKit with a single API.

    microsoft/playwright’s past year of commit activity
    TypeScript 68,302 Apache-2.0 3,775 697 15 Updated Jan 8, 2025
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