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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 180k 37.2k

  2. TypeScript TypeScript Public

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

    TypeScript 107k 13.2k

  3. PowerToys PowerToys Public

    Microsoft PowerToys is a collection of utilities that help you customize Windows and streamline everyday tasks

    C# 127k 7.6k

  4. terminal terminal Public

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

    C++ 101k 9k

  5. semantic-kernel semantic-kernel Public

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

    C# 27k 4.4k

Repositories

Showing 10 of 7458 repositories
  • 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 6,349 MIT 986 524 104 Updated Jan 6, 2026
  • azurelinux Public

    Linux OS for Azure 1P services and edge appliances

    microsoft/azurelinux’s past year of commit activity
    RPM Spec 4,524 MIT 602 176 473 Updated Jan 6, 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 80,869 Apache-2.0 4,977 552 9 Updated Jan 6, 2026
  • OpenAPI.NET Public

    The OpenAPI.NET SDK contains a useful object model for OpenAPI documents in .NET along with common serializers to extract raw OpenAPI JSON and YAML documents from the model.

    microsoft/OpenAPI.NET’s past year of commit activity
    C# 1,570 MIT 280 25 (1 issue needs help) 3 Updated Jan 6, 2026
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 180,408 MIT 37,230 5,000+ (550 issues need help) 929 Updated Jan 6, 2026
  • vscode-copilot-chat Public

    Copilot Chat extension for VS Code

    microsoft/vscode-copilot-chat’s past year of commit activity
    TypeScript 9,232 MIT 1,552 0 110 Updated Jan 6, 2026
  • azure-linux-image-tools Public
    microsoft/azure-linux-image-tools’s past year of commit activity
    Go 24 MIT 11 4 11 Updated Jan 6, 2026
  • Power-CAT-Copilot-Studio-Kit Public
    microsoft/Power-CAT-Copilot-Studio-Kit’s past year of commit activity
    JavaScript 295 MIT 47 57 (3 issues need help) 4 Updated Jan 6, 2026
  • powerplatform-vscode Public

    The Power Platform VSCode extension makes it easy to manage Power Platform environments and allows the developer to create, build and deploy Power Platform solutions, packages and portals.

    microsoft/powerplatform-vscode’s past year of commit activity
    TypeScript 256 MIT 53 77 31 Updated Jan 6, 2026
  • Agents Public

    The Microsoft 365 Agent SDK simplifies building full stack, multichannel, trusted agents for platforms including M365, Teams, Copilot Studio, and Webchat.

    microsoft/Agents’s past year of commit activity
    PowerShell 639 MIT 237 66 16 Updated Jan 6, 2026
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