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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 180k 37k

  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 7.5k

  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# 26.9k 4.4k

Repositories

Showing 10 of 7451 repositories
  • Agent365-devTools Public

    The Microsoft Agent 365 DevTools CLI is a command-line interface tool designed to streamline the development, deployment, and management of Microsoft Agent 365 applications.

    microsoft/Agent365-devTools’s past year of commit activity
    C# 14 MIT 5 14 4 Updated Dec 22, 2025
  • terraform-provider-power-platform Public

    Power Platform Terraform Provider

    microsoft/terraform-provider-power-platform’s past year of commit activity
    Go 46 MIT 15 16 2 Updated Dec 22, 2025
  • TypeScript-Make-Monaco-Builds Public

    Creates CDN Versions of Monaco and Monaco TypeScript for TypeScript web infra

    microsoft/TypeScript-Make-Monaco-Builds’s past year of commit activity
    JavaScript 14 MIT 12 1 5 Updated Dec 22, 2025
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs’s past year of commit activity
    PowerShell 10,034 MIT 5,790 1,100 1,112 Updated Dec 22, 2025
  • vscode-mssql Public

    Visual Studio Code SQL Server extension.

    microsoft/vscode-mssql’s past year of commit activity
    TypeScript 1,813 555 143 13 Updated Dec 22, 2025
  • CsWinRT Public

    C# language projection for the Windows Runtime

    microsoft/CsWinRT’s past year of commit activity
    C# 619 MIT 121 213 30 Updated Dec 22, 2025
  • 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 104 89 125 6 Updated Dec 22, 2025
  • ai-agent-evals Public

    Github action to evaluate AI agent applications using model as the judge, content safety and mathematical metrics.

    microsoft/ai-agent-evals’s past year of commit activity
    Python 56 MIT 13 6 10 Updated Dec 22, 2025
  • vscode-copilot-chat Public

    Copilot Chat extension for VS Code

    microsoft/vscode-copilot-chat’s past year of commit activity
    TypeScript 9,158 MIT 1,514 0 108 Updated Dec 23, 2025
  • TypeScript-Website Public

    The Website and web infrastructure for learning TypeScript

    microsoft/TypeScript-Website’s past year of commit activity
    TypeScript 2,435 CC-BY-4.0 1,464 50 99 Updated Dec 22, 2025
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