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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 181k 37.7k

  2. TypeScript TypeScript Public

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

    TypeScript 108k 13.2k

  3. PowerToys PowerToys Public

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

    C# 129k 7.7k

  4. terminal terminal Public

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

    C++ 102k 9.1k

  5. semantic-kernel semantic-kernel Public

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

    C# 27.2k 4.5k

Repositories

Showing 10 of 7541 repositories
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 181,347 MIT 37,735 5,000+ (538 issues need help) 1,044 Updated Feb 4, 2026
  • quicreach Public

    A 'ping' equivalent tool for QUIC.

    microsoft/quicreach’s past year of commit activity
    C++ 138 MIT 34 1 (1 issue needs help) 0 Updated Feb 4, 2026
  • lisa Public

    LISA is developed and maintained by Microsoft, to empower Linux validation.

    microsoft/lisa’s past year of commit activity
    Python 322 MIT 225 35 (3 issues need help) 34 Updated Feb 4, 2026
  • hve-core Public

    A refined collection of Hypervelocity Engineering components (instructions, prompts, agents) to start your project off right, or upgrade your existing projects to get the most out of all Copilots

    microsoft/hve-core’s past year of commit activity
    PowerShell 90 MIT 37 47 (18 issues need help) 9 Updated Feb 4, 2026
  • agent-framework Public

    A framework for building, orchestrating and deploying AI agents and multi-agent workflows with support for Python and .NET.

    microsoft/agent-framework’s past year of commit activity
    Python 6,959 MIT 1,102 620 121 Updated Feb 4, 2026
  • dstoolkit-devcontainers Public template

    A machine learning project template that makes it easy to work with multiple Docker based VSCode Dev Containers. Easily transition projects to the cloud and production with automated code quality checks, pytest configuration, CI pipeline templates & AML cloud example

    microsoft/dstoolkit-devcontainers’s past year of commit activity
    Python 47 MIT 13 1 2 Updated Feb 4, 2026
  • azure-pipelines-agent Public

    Azure Pipelines Agent 🚀

    microsoft/azure-pipelines-agent’s past year of commit activity
    C# 1,871 MIT 914 72 136 Updated Feb 4, 2026
  • azure-pipelines-tasks-common-packages Public
    microsoft/azure-pipelines-tasks-common-packages’s past year of commit activity
    TypeScript 35 MIT 57 26 77 Updated Feb 4, 2026
  • go Public

    The Microsoft build of Go is a modified version of Go that can build FIPS compliant applications that satisfy internal Microsoft policies.

    microsoft/go’s past year of commit activity
    Go 407 BSD-3-Clause 40 133 3 Updated Feb 4, 2026
  • SPTAG Public

    A distributed approximate nearest neighborhood search (ANN) library which provides a high quality vector index build, search and distributed online serving toolkits for large scale vector search scenario.

    microsoft/SPTAG’s past year of commit activity
    C++ 4,977 MIT 608 118 (1 issue needs help) 24 Updated Feb 4, 2026
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