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Open Source at Microsoft

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Right now, open communities are building amazing software together, and there are excellent "good first issue" opportunities, if you're looking to get involved.

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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 45k

  2. TypeScript TypeScript Public

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

    Go 111k 16.3k

  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# 28.6k 4.8k

Repositories

Showing 10 of 8354 repositories
  • simplechat Public

    Secure AI conversations with documents, video, audio, and more. Personal workspaces for focused context, group spaces for shared insight. Classify docs, reuse prompts, and extend with modular features.

    microsoft/simplechat's past year of commit activity
    Python 155 116 315 9 Updated Oct 10, 2026
  • site-admin Public

    An automation tool for tenant admins to use for automation of features/enhancements.

    microsoft/site-admin's past year of commit activity
    TypeScript 17 MIT 8 12 0 Updated Oct 10, 2026
  • aspire Public

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

    microsoft/aspire's past year of commit activity
    C# 6,356 MIT 1,007 2,282 (2 issues need help) 267 Updated Oct 10, 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 Oct 10, 2026
  • nvx Public

    Cross-Platform Micro-VM Sandbox for Agentic Workloads

    microsoft/nvx's past year of commit activity
    Python 376 MIT 23 36 7 Updated Oct 11, 2026
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs's past year of commit activity
    11,152 MIT 10,482 1,361 2,841 Updated Oct 10, 2026
  • amplifier-unified Public

    Unified shell for the Amplifier project

    microsoft/amplifier-unified's past year of commit activity
    Python 2 MIT 2 62 3 Updated Oct 10, 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 1,518 MIT 325 194 (6 issues need help) 30 Updated Oct 10, 2026
  • vscode Public

    Visual Studio Code

    microsoft/vscode's past year of commit activity
    TypeScript 193,517 MIT 44,955 5,000+ (470 issues need help) 2,840 Updated Oct 10, 2026
  • amplifier-module-provider-openai Public

    Reference implementation for an OpenAI provider module for the Amplifier project

    microsoft/amplifier-module-provider-openai's past year of commit activity
    Python 7 MIT 13 0 6 Updated Oct 10, 2026