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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
  • mstunnel-ocserv Public
    microsoft/mstunnel-ocserv’s past year of commit activity
    C 2 GPL-2.0 2 1 0 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 17 Updated Jan 6, 2026
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 180,408 MIT 37,231 5,000+ (550 issues need help) 927 Updated Jan 6, 2026
  • MHA Public

    Message Header Analyzer Add-in For Outlook

    microsoft/MHA’s past year of commit activity
    TypeScript 344 MIT 56 18 (1 issue needs help) 0 Updated Jan 6, 2026
  • finops-toolkit Public

    Tools and resources to help you adopt and implement FinOps capabilities that automate and extend the Microsoft Cloud.

    microsoft/finops-toolkit’s past year of commit activity
    PowerShell 493 MIT 190 209 (28 issues need help) 38 Updated Jan 6, 2026
  • mcs-labs Public
    microsoft/mcs-labs’s past year of commit activity
    PowerShell 69 MIT 65 2 1 Updated Jan 6, 2026
  • Agents-for-js Public

    This repository is for active development of the Microsoft 365 Agent SDK components for JavaScript

    microsoft/Agents-for-js’s past year of commit activity
    TypeScript 67 MIT 34 59 8 Updated Jan 6, 2026
  • Agent365-python Public
    microsoft/Agent365-python’s past year of commit activity
    Python 16 MIT 6 4 8 Updated Jan 6, 2026
  • vscode-mssql Public

    Visual Studio Code SQL Server extension.

    microsoft/vscode-mssql’s past year of commit activity
    TypeScript 1,819 560 139 12 Updated Jan 6, 2026
  • AL-Go Public

    The plug-and-play DevOps solution for Business Central app development on GitHub

    microsoft/AL-Go’s past year of commit activity
    PowerShell 429 MIT 176 22 10 Updated Jan 6, 2026
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