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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 176k 34.5k

  2. TypeScript TypeScript Public

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

    TypeScript 106k 13k

  3. PowerToys PowerToys Public

    Windows system utilities to maximize productivity

    C# 122k 7.3k

  4. terminal terminal Public

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

    C++ 99.3k 8.7k

  5. semantic-kernel semantic-kernel Public

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

    C# 25.9k 4.2k

Repositories

Showing 10 of 7024 repositories
  • 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 684 Apache-2.0 447 152 47 Updated Aug 23, 2025
  • PSRule Public

    Validate infrastructure as code (IaC) and objects using PowerShell rules.

    microsoft/PSRule’s past year of commit activity
    C# 436 MIT 60 64 (2 issues need help) 9 Updated Aug 23, 2025
  • onnxruntime-genai Public

    Generative AI extensions for onnxruntime

    microsoft/onnxruntime-genai’s past year of commit activity
    C++ 804 MIT 206 115 14 Updated Aug 23, 2025
  • Tools.WorkItemPlanner Public

    Work Item Planner is a web application that allows users to generate Work Items that encompass all the action items while working on a feature.

    microsoft/Tools.WorkItemPlanner’s past year of commit activity
    JavaScript 0 MIT 0 0 0 Updated Aug 23, 2025
  • react-native-macos Public Forked from facebook/react-native

    A framework for building native macOS apps with React.

    microsoft/react-native-macos’s past year of commit activity
    C++ 3,921 MIT 25,666 75 (1 issue needs help) 4 Updated Aug 23, 2025
  • 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 431 MIT 69 6 0 Updated Aug 23, 2025
  • documentdb Public

    DocumentDB is the open-source engine powering vCore-based Azure Cosmos DB for MongoDB. It offers a native implementation of document-oriented NoSQL database, enabling seamless CRUD operations on BSON data types within a PostgreSQL framework.

    microsoft/documentdb’s past year of commit activity
    C 1,891 MIT 110 33 16 Updated Aug 23, 2025
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs’s past year of commit activity
    PowerShell 9,635 MIT 5,328 1,008 292 Updated Aug 23, 2025
  • vscode-azureresourcegroups Public

    VS Code extension for managing Azure resources.

    microsoft/vscode-azureresourcegroups’s past year of commit activity
    TypeScript 65 MIT 44 140 5 Updated Aug 23, 2025
  • oxidizer Public

    Oxidizer is a platform for Rust service development which bridges the gaps in the crate ecosystem to deliver a turn-key solution to enable the efficient creation of high-scale high-availability and high-performance services in Rust.

    microsoft/oxidizer’s past year of commit activity
    Rust 4 MIT 0 0 1 Updated Aug 23, 2025
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