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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 Public

    Visual Studio Code

    TypeScript 171k 32.4k

  2. TypeScript Public

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

    TypeScript 105k 12.8k

  3. PowerToys Public

    Windows system utilities to maximize productivity

    C# 119k 7k

  4. terminal Public

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

    C++ 98.2k 8.6k

  5. semantic-kernel Public

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

    C# 24.5k 3.8k

Repositories

Showing 10 of 6844 repositories
  • Tutel Public

    Tutel MoE: Optimized Mixture-of-Experts Library, Support DeepSeek FP8/FP4

    C 821 MIT 97 43 0 Updated May 20, 2025
  • fabric-toolbox Public

    Fabric toolbox is a repository of tools, accelerators, scripts, and samples to accelerate your success with Microsoft Fabric, brought to you by Fabric CAT.

    Jupyter Notebook 280 MIT 90 34 3 Updated May 20, 2025
  • Modernize-your-code-solution-accelerator Public

    Designed to help customers transition their SQL queries to new environments quickly and efficiently. This accelerator is particularly useful for organizations modernizing their data estates, as it simplifies the process of translating SQL queries from various dialects.

    Python 21 MIT 21 1 10 Updated May 20, 2025
  • terraform-provider-fabric Public

    Terraform Provider for Microsoft Fabric

    Go 59 MPL-2.0 16 32 4 Updated May 20, 2025
  • PowerToys Public

    Windows system utilities to maximize productivity

    C# 118,837 MIT 7,024 5,000+ (212 issues need help) 85 Updated May 20, 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.

    Python 322 MIT 134 2 11 Updated May 20, 2025
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    PowerShell 9,343 MIT 5,055 964 168 Updated May 20, 2025
  • BCApps Public

    Repository for collaboration on Microsoft Dynamics 365 Business Central applications.

    AL 407 MIT 206 21 39 Updated May 20, 2025
  • pxt-arcade Public

    Arcade game editor based on Microsoft MakeCode

    TypeScript 506 MIT 228 476 (25 issues need help) 36 Updated May 20, 2025
  • perfview Public

    PerfView is a CPU and memory performance-analysis tool

    C# 4,396 MIT 733 262 (15 issues need help) 9 Updated May 20, 2025
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