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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 vscode Public

    Visual Studio Code

    TypeScript 194k 45.8k

  2. TypeScript TypeScript Public

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

    Go 112k 17.1k

  3. PowerToys PowerToys Public

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

    C 139k 8.7k

  4. terminal terminal Public

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

    C++ 105k 9.7k

  5. semantic-kernel semantic-kernel Public

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

    C# 28.7k 4.8k

Repositories

Showing 10 of 8378 repositories
  • learn-ai-native-dev Public
    microsoft/learn-ai-native-dev's past year of commit activity
    TypeScript 20 MIT 5 1 8 Updated Oct 18, 2026
  • vscode Public

    Visual Studio Code

    microsoft/vscode's past year of commit activity
    TypeScript 193,799 MIT 45,775 5,000+ (467 issues need help) 2,921 Updated Oct 18, 2026
  • Build-CLI Public

    Experience Microsoft Build, directly from your terminal, with GitHub Copilot CLI and the Microsoft Build CLI.

    microsoft/Build-CLI's past year of commit activity
    TypeScript 292 MIT 85 3 10 Updated Oct 18, 2026
  • new-copilot-studio-tech-guide Public
    microsoft/new-copilot-studio-tech-guide's past year of commit activity
    Astro 20 MIT 18 5 17 Updated Oct 18, 2026
  • vsmarketplace Public

    Customer feedback and issue tracker repository for Visual Studio Marketplace

    microsoft/vsmarketplace's past year of commit activity
    PowerShell 213 MIT 41 125 1 Updated Oct 18, 2026
  • azurelinux Public

    General purpose Linux OS for Azure

    microsoft/azurelinux's past year of commit activity
    Python 5,355 MIT 710 24 231 Updated Oct 18, 2026
  • BotFramework-WebChat Public

    A highly-customizable web-based client for Azure Bot Services.

    microsoft/BotFramework-WebChat's past year of commit activity
    HTML 1,784 MIT 1,600 466 48 Updated Oct 18, 2026
  • azure-pipelines-tasks Public

    Tasks for Azure Pipelines

    microsoft/azure-pipelines-tasks's past year of commit activity
    TypeScript 3,660 MIT 2,694 211 (16 issues need help) 206 Updated Oct 18, 2026
  • garnet Public

    Garnet is a remote cache-store from Microsoft Research that offers strong performance (throughput and latency), scalability, storage, recovery, cluster sharding, key migration, and replication features. Garnet can work with existing Redis clients.

    microsoft/garnet's past year of commit activity
    C# 12,052 MIT 714 36 (11 issues need help) 35 Updated Oct 18, 2026
  • 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 2,399 MIT 321 35 48 Updated Oct 18, 2026
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