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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 44.1k

  2. TypeScript TypeScript Public

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

    Go 111k 15.5k

  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 8342 repositories
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs's past year of commit activity
    11,125 MIT 10,143 1,359 2,553 Updated Oct 2, 2026
  • vscode-documentdb Public

    DocumentDB Extension for VS Code

    microsoft/vscode-documentdb's past year of commit activity
    TypeScript 32 MIT 22 137 8 Updated Oct 2, 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 2,393 MIT 318 34 42 Updated Oct 3, 2026
  • 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# 12,033 MIT 709 26 (11 issues need help) 31 Updated Oct 3, 2026
  • vscode-python-environments Public

    VS Code extension for Python environment and package management

    microsoft/vscode-python-environments's past year of commit activity
    TypeScript 141 MIT 69 107 (14 issues need help) 25 Updated Oct 2, 2026
  • ValueLens-for-Microsoft-Copilot Public

    Power BI template for Microsoft Copilot & agent analytics — measure AI business value, ROI and cost, plus adoption, governance and user feedback across your whole Copilot estate in one place.

    microsoft/ValueLens-for-Microsoft-Copilot's past year of commit activity
    TypeScript 23 MIT 3 1 2 Updated Oct 2, 2026
  • WindowsAppSDK Public

    The Windows App SDK empowers all Windows desktop apps with modern Windows UI, APIs, and platform features, including back-compat support, shipped via NuGet.

    microsoft/WindowsAppSDK's past year of commit activity
    C++ 4,693 MIT 478 353 (12 issues need help) 64 Updated Oct 2, 2026
  • Dataverse-skills Public

    Microsoft Dataverse skills for AI coding agents. Wraps the Dataverse MCP server, Dataverse CLI, Python SDK, and PAC CLI behind specialist skills for building, querying, deploying, and administering Dataverse environments.

    microsoft/Dataverse-skills's past year of commit activity
    237 MIT 61 19 16 Updated Oct 2, 2026
  • amplifier-app-cli Public

    Reference implementation of CLI interface for Amplifier project

    microsoft/amplifier-app-cli's past year of commit activity
    Python 19 MIT 28 2 27 Updated Oct 2, 2026
  • aspire Public

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

    microsoft/aspire's past year of commit activity
    C# 6,332 MIT 1,003 2,224 (2 issues need help) 247 Updated Oct 2, 2026
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