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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 170k 31.6k

  2. TypeScript Public

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

    TypeScript 104k 12.8k

  3. PowerToys Public

    Windows system utilities to maximize productivity

    C# 117k 6.9k

  4. terminal Public

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

    C++ 97.7k 8.5k

  5. semantic-kernel Public

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

    C# 24k 3.7k

Repositories

Showing 10 of 6756 repositories
  • vscode Public

    Visual Studio Code

    TypeScript 170,070 MIT 31,583 5,000+ (402 issues need help) 534 Updated Apr 16, 2025
  • qsharp Public

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

    Rust 665 MIT 120 142 (1 issue needs help) 11 Updated Apr 16, 2025
  • fhir-server Public

    A service that implements the FHIR standard

    TSQL 1,255 MIT 532 88 (2 issues need help) 41 Updated Apr 16, 2025
  • PowerToys Public

    Windows system utilities to maximize productivity

    C# 117,400 MIT 6,940 5,000+ (195 issues need help) 82 Updated Apr 16, 2025
  • DacFx Public

    DacFx, SqlPackage, and other SQL development libraries enable declarative database development and database portability across SQL versions and environments. Share feedback here on dacpacs, bacpacs, and SQL projects.

    C# 397 MIT 22 169 (4 issues need help) 4 Updated Apr 16, 2025
  • KBLaM Public

    Official Implementation of "KBLaM: Knowledge Base augmented Language Model"

    Jupyter Notebook 1,236 MIT 97 7 2 Updated Apr 16, 2025
  • codeql Public Forked from github/codeql

    CodeQL: the libraries and queries that power security researchers around the world, as well as code scanning in GitHub Advanced Security

    CodeQL 13 MIT 1,887 13 11 Updated Apr 16, 2025
  • openjdk-jdk11u Public Forked from openjdk/jdk11u

    Read-only mirror of https://github.com/openjdk/jdk11u/

    Java 11 GPL-2.0 193 0 1 Updated Apr 16, 2025
  • planetary-computer-tasks Public

    PC Tasks: A framework for processing and ingesting data into the Planetary Computer

    Python 37 MIT 15 5 12 Updated Apr 16, 2025
  • FluidExamples Public template

    Set of examples built on the Fluid Framework

    TypeScript 269 MIT 96 0 1 Updated Apr 16, 2025
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