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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 193k 43.7k

  2. TypeScript TypeScript Public

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

    Go 111k 15.2k

  3. PowerToys PowerToys Public

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

    C 139k 8.6k

  4. terminal terminal Public

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

    C++ 105k 9.6k

  5. semantic-kernel semantic-kernel Public

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

    C# 28.6k 4.8k

Repositories

Showing 10 of 8313 repositories
  • aspire Public

    Aspire is the tool for code-first, extensible, observable dev and deploy.

    microsoft/aspire's past year of commit activity
    C# 6,323 MIT 998 2,181 (2 issues need help) 256 Updated Sep 27, 2026
  • agent-governance-toolkit Public

    AI Agent Governance Toolkit — Policy enforcement, zero-trust identity, execution sandboxing, and reliability engineering for autonomous AI agents. Covers 10/10 OWASP Agentic Top 10.

    microsoft/agent-governance-toolkit's past year of commit activity
    Python 6,350 MIT 1,131 52 (3 issues need help) 34 Updated Sep 28, 2026
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs's past year of commit activity
    11,115 MIT 9,948 1,337 2,582 Updated Sep 28, 2026
  • quicreach Public

    A 'ping' equivalent tool for QUIC.

    microsoft/quicreach's past year of commit activity
    C++ 152 MIT 35 1 (1 issue needs help) 1 Updated Sep 28, 2026
  • azurelinux Public

    General purpose Linux OS for Azure

    microsoft/azurelinux's past year of commit activity
    Python 5,344 MIT 707 21 230 Updated Sep 28, 2026
  • litebox Public

    A security-focused library OS supporting kernel- and user-mode execution

    microsoft/litebox's past year of commit activity
    Rust 2,697 MIT 145 126 34 Updated Sep 28, 2026
  • intelligent-terminal Public

    A fork of Windows Terminal with native agent integration, right in your command line.

    microsoft/intelligent-terminal's past year of commit activity
    C++ 2,031 MIT 164 61 65 Updated Sep 28, 2026
  • vscode-common-python-lsp Public

    Common package for VSCode extensions exposing Python tools over LSP

    microsoft/vscode-common-python-lsp's past year of commit activity
    Python 2 MIT 4 2 15 Updated Sep 28, 2026
  • onnxruntime Public

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

    microsoft/onnxruntime's past year of commit activity
    C++ 21,935 MIT 4,256 843 910 Updated Sep 28, 2026
  • CsWinRT Public

    C# language projection for the Windows Runtime

    microsoft/CsWinRT's past year of commit activity
    C# 665 MIT 134 232 14 Updated Sep 28, 2026
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