Skip to content
@microsoft

Microsoft

Open source projects and samples from Microsoft

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.

Pinned Loading

  1. vscode vscode Public

    Visual Studio Code

    TypeScript 193k 42.6k

  2. TypeScript TypeScript Public

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

    Go 111k 14.2k

  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 8309 repositories
  • Huabu Public

    Huabu, where you and your agents think together.

    TypeScript 143 MIT 18 44 10 Updated Sep 18, 2026
  • vscode-cpptools Public

    Official repository for the Microsoft C/C++ extension for VS Code.

    microsoft/vscode-cpptools's past year of commit activity
    TypeScript 6,164 1,747 1,387 (198 issues need help) 25 Updated Sep 18, 2026
  • PyRIT Public

    The Python Risk Identification Tool for generative AI (PyRIT) is an open source framework built to empower security professionals and engineers to proactively identify risks in generative AI systems.

    microsoft/PyRIT's past year of commit activity
    Python 4,497 MIT 892 56 (19 issues need help) 52 Updated Sep 17, 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 1,466 MIT 300 172 (7 issues need help) 31 Updated Sep 18, 2026
  • playwright Public

    Playwright is a framework for Web Testing and Automation. It allows testing Chromium, Firefox and WebKit with a single API.

    microsoft/playwright's past year of commit activity
    TypeScript 96,285 Apache-2.0 6,456 166 18 Updated Sep 18, 2026
  • HOBL Public

    Infrastructure for testing computer systems.

    microsoft/HOBL's past year of commit activity
    Python 15 MIT 19 0 7 Updated Sep 18, 2026
  • opensource-management-portal Public

    Microsoft's monolithic, opinionated Open Source Management Portal enabling enterprise scale self-service powered by the GitHub API πŸ”πŸ§‘β€πŸ’»πŸ§°

    microsoft/opensource-management-portal's past year of commit activity
    TypeScript 534 MIT 139 9 27 Updated Sep 18, 2026
  • semantic-kernel Public

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

    microsoft/semantic-kernel's past year of commit activity
    C# 28,572 MIT 4,773 100 203 Updated Sep 18, 2026
  • dcp Public

    Developer Control Plane API server and CLI.

    microsoft/dcp's past year of commit activity
    Go 189 MIT 24 37 5 Updated Sep 18, 2026
  • amplifier-smart-tools-catalog Public

    Amplifier Smart Tools Catalog

    microsoft/amplifier-smart-tools-catalog's past year of commit activity
    Python 1 MIT 3 0 1 Updated Sep 18, 2026