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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 168k 30.6k

  2. TypeScript TypeScript Public

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

    TypeScript 102k 12.7k

  3. PowerToys PowerToys Public

    Windows system utilities to maximize productivity

    C# 115k 6.8k

  4. terminal terminal Public

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

    C++ 97.1k 8.5k

  5. semantic-kernel semantic-kernel Public

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

    C# 23.1k 3.5k

Repositories

Showing 10 of 6664 repositories
  • fluentui Public

    Fluent UI web represents a collection of utilities, React components, and web components for building web applications.

    microsoft/fluentui’s past year of commit activity
    TypeScript 18,843 2,771 488 (8 issues need help) 172 Updated Feb 19, 2025
  • 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# 846 MIT 266 191 19 Updated Feb 19, 2025
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 167,510 MIT 30,601 5,000+ (387 issues need help) 499 Updated Feb 19, 2025
  • onnxruntime Public

    ONNX Runtime: cross-platform, high performance ML inferencing and training accelerator

    microsoft/onnxruntime’s past year of commit activity
    C++ 15,647 MIT 3,052 2,527 551 Updated Feb 19, 2025
  • kiota Public

    OpenAPI based HTTP Client code generator

    microsoft/kiota’s past year of commit activity
    C# 3,206 MIT 229 151 (39 issues need help) 16 Updated Feb 19, 2025
  • go-images Public

    Docker image packaging and publishing for the Microsoft build of Go

    microsoft/go-images’s past year of commit activity
    PowerShell 13 BSD-3-Clause 8 0 0 Updated Feb 19, 2025
  • 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# 4,109 MIT 402 37 5 Updated Feb 19, 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 69,469 Apache-2.0 3,875 734 14 Updated Feb 19, 2025
  • terraform-provider-azuredevops Public

    Terraform Azure DevOps provider

    microsoft/terraform-provider-azuredevops’s past year of commit activity
    Go 398 MIT 282 176 (1 issue needs help) 19 Updated Feb 19, 2025
  • Olive Public

    Olive: Simplify ML Model Finetuning, Conversion, Quantization, and Optimization for CPUs, GPUs and NPUs.

    microsoft/Olive’s past year of commit activity
    Python 1,760 MIT 186 58 5 Updated Feb 19, 2025
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