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Open source projects and samples from Microsoft
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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 169k 31.1k

  2. TypeScript TypeScript Public

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

    TypeScript 103k 12.7k

  3. PowerToys PowerToys Public

    Windows system utilities to maximize productivity

    C# 116k 6.9k

  4. terminal terminal Public

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

    C++ 97.4k 8.5k

  5. semantic-kernel semantic-kernel Public

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

    C# 23.5k 3.6k

Repositories

Showing 10 of 6701 repositories
  • WinUI-Gallery Public

    This app demonstrates the controls available in WinUI and the Fluent Design System.

    microsoft/WinUI-Gallery’s past year of commit activity
    C# 2,984 MIT 663 81 (18 issues need help) 10 Updated Mar 16, 2025
  • playwright-java Public

    Java version of the Playwright testing and automation library

    microsoft/playwright-java’s past year of commit activity
    Java 1,238 Apache-2.0 218 28 2 Updated Mar 16, 2025
  • multi-agent-calibrator Public
    microsoft/multi-agent-calibrator’s past year of commit activity
    Python 0 MIT 1 0 0 Updated Mar 16, 2025
  • prompty Public

    Prompty makes it easy to create, manage, debug, and evaluate LLM prompts for your AI applications. Prompty is an asset class and format for LLM prompts designed to enhance observability, understandability, and portability for developers.

    microsoft/prompty’s past year of commit activity
    Python 807 MIT 76 41 10 Updated Mar 16, 2025
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs’s past year of commit activity
    PowerShell 9,182 MIT 4,876 858 973 Updated Mar 16, 2025
  • quicreach Public

    A 'ping' equivalent tool for QUIC.

    microsoft/quicreach’s past year of commit activity
    C++ 114 MIT 28 3 (1 issue needs help) 0 Updated Mar 16, 2025
  • beachball Public

    The Sunniest Semantic Version Bumper

    microsoft/beachball’s past year of commit activity
    TypeScript 769 MIT 88 95 (1 issue needs help) 21 Updated Mar 16, 2025
  • Magma Public

    [CVPR 2025] Magma: A Foundation Model for Multimodal AI Agents

    microsoft/Magma’s past year of commit activity
    Python 1,411 MIT 90 10 0 Updated Mar 16, 2025
  • semantic-kernel Public

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

    microsoft/semantic-kernel’s past year of commit activity
    C# 23,537 MIT 3,602 391 35 Updated Mar 16, 2025
  • navcontainerhelper Public

    Official Microsoft repository for BcContainerHelper, a PowerShell module, which makes it easier to work with Business Central Containers on Docker.

    microsoft/navcontainerhelper’s past year of commit activity
    PowerShell 403 MIT 248 140 (14 issues need help) 7 Updated Mar 16, 2025
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