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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 45.2k

  2. TypeScript TypeScript Public

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

    Go 111k 16.6k

  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 9.7k

  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 8360 repositories
  • edge-ai Public

    Production-ready Infrastructure as Code, applications, pluggable components, and PlatformOps toolchains that empower organizations to achieve more with cloud and edge AI-powered solutions. Built by friendly geeks, for every team that needs edge solutions to achieve real production results.

    microsoft/edge-ai's past year of commit activity
    HCL 107 MIT 50 85 (1 issue needs help) 19 Updated Oct 12, 2026
  • aspire Public

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

    microsoft/aspire's past year of commit activity
    C# 6,368 MIT 1,009 2,294 (2 issues need help) 267 Updated Oct 12, 2026
  • multilspy Public

    multilspy is a lsp client library in Python intended to be used to build applications around language servers.

    microsoft/multilspy's past year of commit activity
    Python 612 MIT 112 44 (1 issue needs help) 12 Updated Oct 12, 2026
  • msquic Public

    Cross-platform, C implementation of the IETF QUIC protocol, exposed to C, C++, C# and Rust.

    microsoft/msquic's past year of commit activity
    C 4,783 MIT 711 261 (28 issues need help) 87 Updated Oct 12, 2026
  • SqlScriptDOM Public

    ScriptDOM/SqlDOM is a .NET library for parsing T-SQL statements and interacting with its abstract syntax tree

    microsoft/SqlScriptDOM's past year of commit activity
    GAP 280 MIT 47 56 4 Updated Oct 12, 2026
  • nvx Public

    Cross-Platform Micro-VM Sandbox for Agentic Workloads

    microsoft/nvx's past year of commit activity
    Python 391 MIT 25 43 12 Updated Oct 12, 2026
  • onnxruntime Public

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

    microsoft/onnxruntime's past year of commit activity
    C++ 22,058 MIT 4,302 924 854 Updated Oct 12, 2026
  • vscode Public

    Visual Studio Code

    microsoft/vscode's past year of commit activity
    TypeScript 193,627 MIT 45,239 5,000+ (470 issues need help) 2,861 Updated Oct 12, 2026
  • hve-core Public

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

    microsoft/hve-core's past year of commit activity
    Python 1,520 MIT 328 201 (4 issues need help) 48 Updated Oct 12, 2026
  • WSL Public

    Windows Subsystem for Linux

    microsoft/WSL's past year of commit activity
    C++ 34,050 MIT 1,857 962 56 Updated Oct 12, 2026
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