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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 43.2k

  2. TypeScript TypeScript Public

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

    Go 111k 14.7k

  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 8304 repositories
  • garnet Public

    Garnet is a remote cache-store from Microsoft Research that offers strong performance (throughput and latency), scalability, storage, recovery, cluster sharding, key migration, and replication features. Garnet can work with existing Redis clients.

    microsoft/garnet's past year of commit activity
    C# 12,025 MIT 707 27 (11 issues need help) 31 Updated Sep 25, 2026
  • vscode Public

    Visual Studio Code

    microsoft/vscode's past year of commit activity
    TypeScript 192,881 MIT 43,179 5,000+ (471 issues need help) 2,686 Updated Sep 25, 2026
  • retina Public

    eBPF distributed networking observability tool for Kubernetes

    microsoft/retina's past year of commit activity
    Go 3,175 MIT 304 123 (15 issues need help) 66 Updated Sep 25, 2026
  • microsoft-ui-xaml Public

    WinUI: a modern UI framework with a rich set of controls and styles to build dynamic and high-performing Windows applications.

    microsoft/microsoft-ui-xaml's past year of commit activity
    C++ 8,469 MIT 949 2,197 (18 issues need help) 176 Updated Sep 25, 2026
  • terraform-provider-fabric Public

    Terraform Provider for Microsoft Fabric

    microsoft/terraform-provider-fabric's past year of commit activity
    Go 128 MPL-2.0 30 41 11 Updated Sep 25, 2026
  • aspire Public

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

    microsoft/aspire's past year of commit activity
    C# 6,321 MIT 995 2,154 (2 issues need help) 260 Updated Sep 25, 2026
  • agentic-applications-for-unified-data-foundation-solution-accelerator Public

    This accelerator unifies enterprise data with Microsoft Fabric and applies agentic AI to enable faster, smarter decisions. With Microsoft Foundry agents and the Microsoft Agent Framework orchestration, teams can automate workflows, query data in natural language, and uncover insights that fuel agility, collaboration, and innovation.

    microsoft/agentic-applications-for-unified-data-foundation-solution-accelerator's past year of commit activity
    Python 137 MIT 317 1 7 Updated Sep 25, 2026
  • olive-recipes Public
    microsoft/olive-recipes's past year of commit activity
    Python 66 MIT 61 1 100 Updated Sep 25, 2026
  • 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 2,397 MIT 315 33 27 Updated Sep 25, 2026
  • onnxruntime-genai Public

    Generative AI extensions for onnxruntime

    microsoft/onnxruntime-genai's past year of commit activity
    C++ 1,128 MIT 359 148 90 Updated Sep 25, 2026
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