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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 168k 30.7k

  2. TypeScript TypeScript Public

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

    TypeScript 102k 12.7k

  3. PowerToys PowerToys Public

    Windows system utilities to maximize productivity

    C# 115k 6.8k

  4. terminal terminal Public

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

    C++ 97.1k 8.5k

  5. semantic-kernel semantic-kernel Public

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

    C# 23.2k 3.5k

Repositories

Showing 10 of 6660 repositories
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs’s past year of commit activity
    PowerShell 9,093 MIT 4,814 848 156 Updated Feb 23, 2025
  • ALAppExtensions Public

    Repository for collaboration on Microsoft AL application add-on and localization extensions for Microsoft Dynamics 365 Business Central.

    microsoft/ALAppExtensions’s past year of commit activity
    AL 830 MIT 631 225 38 Updated Feb 23, 2025
  • qsharp Public

    Azure Quantum Development Kit, including the Q# programming language, resource estimator, and Quantum Katas

    microsoft/qsharp’s past year of commit activity
    Rust 573 MIT 107 137 (1 issue needs help) 11 Updated Feb 23, 2025
  • pyright Public

    Static Type Checker for Python

    microsoft/pyright’s past year of commit activity
    Python 13,871 1,577 12 0 Updated Feb 23, 2025
  • azurelinux Public

    Linux OS for Azure 1P services and edge appliances

    microsoft/azurelinux’s past year of commit activity
    RPM Spec 4,399 MIT 568 146 797 Updated Feb 23, 2025
  • FeatureManagement-JavaScript Public

    This library provides standardized APIs for enabling feature flags within JavaScript applications. Utilize this library to secure a consistent experience when developing applications that use patterns such as beta access, rollout, dark deployments, and more.

    microsoft/FeatureManagement-JavaScript’s past year of commit activity
    TypeScript 10 MIT 3 8 6 Updated Feb 23, 2025
  • genaiscript Public

    Automatable GenAI Scripting

    microsoft/genaiscript’s past year of commit activity
    TypeScript 2,274 MIT 146 64 (1 issue needs help) 2 Updated Feb 23, 2025
  • lst-bench Public

    LST-Bench is a framework that allows users to run benchmarks specifically designed for evaluating Log-Structured Tables (LSTs) such as Delta Lake, Apache Hudi, and Apache Iceberg.

    microsoft/lst-bench’s past year of commit activity
    Java 72 Apache-2.0 35 18 (7 issues need help) 8 Updated Feb 23, 2025
  • TypeScript-DOM-lib-generator Public

    Tool for generating dom related TypeScript and JavaScript library files

    microsoft/TypeScript-DOM-lib-generator’s past year of commit activity
    TypeScript 633 Apache-2.0 431 161 39 Updated Feb 23, 2025
  • SeerAttention Public

    SeerAttention: Learning Intrinsic Sparse Attention in Your LLMs

    microsoft/SeerAttention’s past year of commit activity
    Python 56 MIT 2 0 0 Updated Feb 23, 2025
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