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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++ 97.2k 8.5k

  5. semantic-kernel semantic-kernel Public

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

    C# 23.3k 3.5k

Repositories

Showing 10 of 6670 repositories
  • Microsoft365DSC Public

    Manages, configures, extracts and monitors Microsoft 365 tenant configurations

    microsoft/Microsoft365DSC’s past year of commit activity
    PowerShell 1,720 MIT 532 455 (2 issues need help) 21 Updated Feb 26, 2025
  • 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# 10,837 MIT 557 30 (13 issues need help) 21 Updated Feb 26, 2025
  • graphrag Public

    A modular graph-based Retrieval-Augmented Generation (RAG) system

    microsoft/graphrag’s past year of commit activity
    Python 22,857 MIT 2,273 137 44 Updated Feb 26, 2025
  • PowerToys Public

    Windows system utilities to maximize productivity

    microsoft/PowerToys’s past year of commit activity
    C# 115,114 MIT 6,779 5,000+ (177 issues need help) 67 Updated Feb 26, 2025
  • TypeScript Public

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

    microsoft/TypeScript’s past year of commit activity
    TypeScript 102,363 Apache-2.0 12,683 5,000+ (1058 issues need help) 531 Updated Feb 26, 2025
  • kata-containers Public Forked from kata-containers/kata-containers

    Kata Containers is an open source project and community working to build a standard implementation of lightweight Virtual Machines (VMs) that feel and perform like containers, but provide the workload isolation and security advantages of VMs. https://katacontainers.io/

    microsoft/kata-containers’s past year of commit activity
    Rust 55 Apache-2.0 1,218 0 22 Updated Feb 26, 2025
  • rushstack Public

    Monorepo for tools developed by the Rush Stack community

    microsoft/rushstack’s past year of commit activity
    TypeScript 6,061 613 810 (123 issues need help) 122 Updated Feb 26, 2025
  • TypeAgent Public

    Sample code that explores an architecture for using TypeChat to build a personal agent that can work with application agents.

    microsoft/TypeAgent’s past year of commit activity
    TypeScript 116 MIT 28 0 2 Updated Feb 26, 2025
  • fast Public

    The adaptive interface system for modern web experiences.

    microsoft/fast’s past year of commit activity
    TypeScript 9,377 599 55 4 Updated Feb 26, 2025
  • vscode-azuretools Public

    Common packages for building Azure extensions for VS Code

    microsoft/vscode-azuretools’s past year of commit activity
    TypeScript 120 MIT 68 46 4 Updated Feb 26, 2025
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