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Open source projects and samples from Microsoft
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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 183k 38.7k

  2. TypeScript TypeScript Public

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

    TypeScript 108k 13.3k

  3. PowerToys PowerToys Public

    Microsoft PowerToys is a collection of utilities that supercharge productivity and customization on Windows

    C# 131k 7.8k

  4. terminal terminal Public

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

    C++ 102k 9.1k

  5. semantic-kernel semantic-kernel Public

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

    C# 27.5k 4.5k

Repositories

Showing 10 of 7689 repositories
  • TypeAgent Public

    Sample code that explores an architecture for using language models to build a personal agent that can work with application agents.

    microsoft/TypeAgent’s past year of commit activity
    TypeScript 668 MIT 90 6 0 Updated Mar 22, 2026
  • kiota Public

    OpenAPI based HTTP Client code generator

    microsoft/kiota’s past year of commit activity
    C# 3,686 MIT 302 151 (28 issues need help) 43 Updated Mar 22, 2026
  • onnxruntime Public

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

    microsoft/onnxruntime’s past year of commit activity
    C++ 19,633 MIT 3,782 837 489 Updated Mar 22, 2026
  • conductor Public

    A CLI tool for defining and running multi-agent workflows with the GitHub Copilot SDK and Anthropic Agents SDK.

    microsoft/conductor’s past year of commit activity
    Python 25 MIT 3 3 3 Updated Mar 22, 2026
  • vscode-mssql Public

    Visual Studio Code SQL Server extension.

    microsoft/vscode-mssql’s past year of commit activity
    TypeScript 1,858 577 137 22 Updated Mar 22, 2026
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs’s past year of commit activity
    PowerShell 10,375 MIT 6,437 1,152 503 Updated Mar 22, 2026
  • data-formulator Public

    🪄 Create rich visualizations with AI

    microsoft/data-formulator’s past year of commit activity
    TypeScript 15,157 MIT 1,383 48 (4 issues need help) 10 Updated Mar 22, 2026
  • Agent365-devTools Public

    The Microsoft Agent 365 DevTools CLI is a command-line interface tool designed to streamline the development, deployment, and management of Microsoft Agent 365 applications.

    microsoft/Agent365-devTools’s past year of commit activity
    C# 26 MIT 11 9 3 Updated Mar 22, 2026
  • amplifier-app-cli Public

    Reference implementation of CLI interface for Amplifier project

    microsoft/amplifier-app-cli’s past year of commit activity
    Python 16 MIT 20 2 7 Updated Mar 22, 2026
  • amplifier-foundation Public

    Foundation library for the Amplifier project

    microsoft/amplifier-foundation’s past year of commit activity
    Python 13 MIT 14 0 10 Updated Mar 22, 2026
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