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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 181k 37.6k

  2. TypeScript TypeScript Public

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

    TypeScript 108k 13.2k

  3. PowerToys PowerToys Public

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

    C# 128k 7.6k

  4. terminal terminal Public

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

    C++ 102k 9k

  5. semantic-kernel semantic-kernel Public

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

    C# 27.1k 4.4k

Repositories

Showing 10 of 7516 repositories
  • garnet Public

    Garnet is a remote cache-store from Microsoft Research that offers strong performance (throughput and latency), scalability, storage, recovery, cluster sharding, key migration, and replication features. Garnet can work with existing Redis clients.

    microsoft/garnet’s past year of commit activity
    C# 11,679 MIT 631 20 (11 issues need help) 12 Updated Jan 25, 2026
  • vscode-copilot-chat Public

    Copilot Chat extension for VS Code

    microsoft/vscode-copilot-chat’s past year of commit activity
    TypeScript 9,336 MIT 1,605 0 137 Updated Jan 25, 2026
  • go-sqlcmd Public

    The new sqlcmd, CLI for SQL Server and Azure SQL (winget install sqlcmd / sqlcmd create mssql / sqlcmd open ads)

    microsoft/go-sqlcmd’s past year of commit activity
    Go 502 MIT 79 131 17 Updated Jan 25, 2026
  • msticpy Public

    Microsoft Threat Intelligence Security Tools

    microsoft/msticpy’s past year of commit activity
    Python 1,932 341 8 (1 issue needs help) 5 Updated Jan 25, 2026
  • vscode Public

    Visual Studio Code

    microsoft/vscode’s past year of commit activity
    TypeScript 181,014 MIT 37,572 5,000+ (540 issues need help) 998 Updated Jan 25, 2026
  • SysmonCommon Public

    The common parts of the Sysinternals Sysmon tool shared between the Windows and Linux versions.

    microsoft/SysmonCommon’s past year of commit activity
    C++ 65 MIT 22 1 1 Updated Jan 25, 2026
  • botframework-webchat-embed Public

    Embed SDK for WebChat

    microsoft/botframework-webchat-embed’s past year of commit activity
    JavaScript 0 MIT 0 0 0 Updated Jan 25, 2026
  • vscode-mssql Public

    Visual Studio Code SQL Server extension.

    microsoft/vscode-mssql’s past year of commit activity
    TypeScript 1,826 567 141 21 Updated Jan 25, 2026
  • integrity-vhd Public

    Tooling to deterministically convert tar files in to files systems with integrity information.

    microsoft/integrity-vhd’s past year of commit activity
    Go 4 MIT 2 3 3 Updated Jan 25, 2026
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs’s past year of commit activity
    PowerShell 10,171 MIT 5,960 1,097 524 Updated Jan 25, 2026
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