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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 176k 34.4k

  2. TypeScript TypeScript Public

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

    TypeScript 106k 13k

  3. PowerToys PowerToys Public

    Windows system utilities to maximize productivity

    C# 122k 7.3k

  4. terminal terminal Public

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

    C++ 99.2k 8.7k

  5. semantic-kernel semantic-kernel Public

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

    C# 25.8k 4.1k

Repositories

Showing 10 of 7009 repositories
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 175,738 MIT 34,356 5,000+ (434 issues need help) 667 Updated Aug 14, 2025
  • confidential-sidecar-containers Public

    This is a collection of sidecar containers that can be incorporated within confidential container groups on Azure Container Instances.

    microsoft/confidential-sidecar-containers’s past year of commit activity
    Go 33 19 12 2 Updated Aug 14, 2025
  • Multi-Agent-Custom-Automation-Engine-Solution-Accelerator Public

    The Multi-Agent Custom Automation Engine Solution Accelerator is an AI-driven system that manages a group of AI agents to accomplish tasks based on user input. Powered by Semantic Kernel, Azure Foundry, Azure Cosmos DB, and infrastructure services, it provides a reference application, allowing you to hit the ground running.

    microsoft/Multi-Agent-Custom-Automation-Engine-Solution-Accelerator’s past year of commit activity
    Python 480 MIT 279 7 6 Updated Aug 14, 2025
  • vstest Public

    Visual Studio Test Platform is the runner and engine that powers test explorer and vstest.console.

    microsoft/vstest’s past year of commit activity
    C# 934 MIT 339 22 6 Updated Aug 14, 2025
  • vscode-copilot-chat Public

    Copilot Chat extension for VS Code

    microsoft/vscode-copilot-chat’s past year of commit activity
    TypeScript 8,260 MIT 1,053 0 43 Updated Aug 14, 2025
  • windows-rs Public

    Rust for Windows

    microsoft/windows-rs’s past year of commit activity
    Rust 11,518 Apache-2.0 576 25 2 Updated Aug 14, 2025
  • vscode-mssql Public

    Visual Studio Code SQL Server extension.

    microsoft/vscode-mssql’s past year of commit activity
    TypeScript 1,734 520 363 15 Updated Aug 14, 2025
  • ebpf-for-windows Public

    eBPF implementation that runs on top of Windows

    microsoft/ebpf-for-windows’s past year of commit activity
    C 3,277 MIT 257 247 (128 issues need help) 36 Updated Aug 14, 2025
  • onnxruntime Public

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

    microsoft/onnxruntime’s past year of commit activity
    C++ 17,508 MIT 3,401 846 289 Updated Aug 14, 2025
  • CSS-Exchange Public

    Exchange Server support tools and scripts

    microsoft/CSS-Exchange’s past year of commit activity
    PowerShell 1,255 MIT 363 140 (15 issues need help) 4 Updated Aug 14, 2025
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