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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 169k 31.3k

  2. TypeScript TypeScript Public

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

    TypeScript 104k 12.8k

  3. PowerToys PowerToys Public

    Windows system utilities to maximize productivity

    C# 117k 6.9k

  4. terminal terminal Public

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

    C++ 97.6k 8.5k

  5. semantic-kernel semantic-kernel Public

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

    C# 23.8k 3.7k

Repositories

Showing 10 of 6736 repositories
  • document-generation-solution-accelerator Public

    Document Generation Solution Accelerator using Azure OpenAI Service and Azure AI Search.

    microsoft/document-generation-solution-accelerator’s past year of commit activity
    TypeScript 49 MIT 32 6 29 Updated Apr 3, 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 1,585 MIT 80 29 (1 issue needs help) 6 Updated Apr 3, 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 649 MIT 115 141 (1 issue needs help) 12 Updated Apr 3, 2025
  • Build-your-own-copilot-Solution-Accelerator Public

    Solution Accelerator to show how to build your own copilot

    microsoft/Build-your-own-copilot-Solution-Accelerator’s past year of commit activity
    TypeScript 167 MIT 98 0 17 Updated Apr 3, 2025
  • typespec Public
    microsoft/typespec’s past year of commit activity
    Java 4,881 MIT 264 829 (2 issues need help) 57 Updated Apr 3, 2025
  • verified-storage Public

    Storage systems with verified correctness properties

    microsoft/verified-storage’s past year of commit activity
    Rust 37 MIT 15 0 1 Updated Apr 3, 2025
  • BCApps Public

    Repository for collaboration on Microsoft Dynamics 365 Business Central applications.

    microsoft/BCApps’s past year of commit activity
    AL 391 MIT 197 20 20 Updated Apr 3, 2025
  • CmdPalGitHubExtension Public

    GitHub extension for Command Palette

    microsoft/CmdPalGitHubExtension’s past year of commit activity
    C# 16 MIT 0 30 (1 issue needs help) 1 Updated Apr 3, 2025
  • woodgrove-groceries Public

    Woodgrove groceries demo web application

    microsoft/woodgrove-groceries’s past year of commit activity
    HTML 53 MIT 25 3 0 Updated Apr 3, 2025
  • 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 1,852 MIT 198 58 6 Updated Apr 3, 2025
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