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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 167k 30.4k

  2. TypeScript TypeScript Public

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

    TypeScript 102k 12.6k

  3. PowerToys PowerToys Public

    Windows system utilities to maximize productivity

    C# 115k 6.7k

  4. terminal terminal Public

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

    C++ 96.7k 8.4k

  5. semantic-kernel semantic-kernel Public

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

    C# 23k 3.5k

Repositories

Showing 10 of 6655 repositories
  • onnxruntime Public

    ONNX Runtime: cross-platform, high performance ML inferencing and training accelerator

    microsoft/onnxruntime’s past year of commit activity
    C++ 15,487 MIT 3,031 2,501 543 Updated Feb 7, 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 51 Apache-2.0 1,216 0 16 Updated Feb 7, 2025
  • kiota Public

    OpenAPI based HTTP Client code generator

    microsoft/kiota’s past year of commit activity
    C# 3,188 MIT 224 148 (39 issues need help) 18 Updated Feb 7, 2025
  • PowerStig Public

    STIG Automation

    microsoft/PowerStig’s past year of commit activity
    PowerShell 559 115 77 (4 issues need help) 8 Updated Feb 7, 2025
  • MIDI Public

    Windows MIDI Services

    microsoft/MIDI’s past year of commit activity
    C++ 361 MIT 29 47 0 Updated Feb 7, 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 103 MIT 27 0 0 Updated Feb 7, 2025
  • windows-drivers-rs Public

    Platform that enables Windows driver development in Rust. Developed by Surface.

    microsoft/windows-drivers-rs’s past year of commit activity
    Rust 1,549 Apache-2.0 74 34 (4 issues need help) 17 Updated Feb 7, 2025
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 166,993 MIT 30,367 5,000+ (389 issues need help) 492 Updated Feb 7, 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# 10,773 MIT 551 27 (12 issues need help) 22 Updated Feb 7, 2025
  • vscode-mssql Public

    Visual Studio Code SQL Server extension.

    microsoft/vscode-mssql’s past year of commit activity
    TypeScript 1,565 464 269 4 Updated Feb 7, 2025
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