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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 182k 37.9k

  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 supercharge productivity and customization on Windows

    C# 130k 7.7k

  4. terminal terminal Public

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

    C++ 102k 9.1k

  5. semantic-kernel semantic-kernel Public

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

    C# 27.2k 4.5k

Repositories

Showing 10 of 7564 repositories
  • winappCli Public

    winapp, the Windows App Development CLI, is a single command-line interface for managing Windows SDKs, packaging, generating app identity, manifests, certificates, and using build tools with any app framework.

    microsoft/winappCli’s past year of commit activity
    C# 790 MIT 27 29 3 Updated Feb 13, 2026
  • vscode-copilot-chat Public

    Copilot Chat extension for VS Code

    microsoft/vscode-copilot-chat’s past year of commit activity
    TypeScript 9,449 MIT 1,644 0 164 Updated Feb 13, 2026
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs’s past year of commit activity
    PowerShell 10,236 MIT 6,077 1,109 556 Updated Feb 13, 2026
  • terminal Public

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

    microsoft/terminal’s past year of commit activity
    C++ 101,802 MIT 9,069 1,647 (497 issues need help) 54 Updated Feb 13, 2026
  • typescript-go Public

    Staging repo for development of native port of TypeScript

    microsoft/typescript-go’s past year of commit activity
    Go 24,087 Apache-2.0 825 211 (1 issue needs help) 79 Updated Feb 13, 2026
  • 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# 11,738 MIT 633 19 (12 issues need help) 19 Updated Feb 12, 2026
  • superbenchmark Public

    A validation and profiling tool for AI infrastructure

    microsoft/superbenchmark’s past year of commit activity
    Python 361 MIT 85 13 7 Updated Feb 13, 2026
  • service-fabric-dotnet Public

    Reliable Services and Reliable Actors are Service Fabric application frameworks for building highly-scalable distributed cloud applications.

    microsoft/service-fabric-dotnet’s past year of commit activity
    C# 273 113 38 3 Updated Feb 13, 2026
  • vscode-mssql Public

    Visual Studio Code SQL Server extension.

    microsoft/vscode-mssql’s past year of commit activity
    TypeScript 1,836 571 134 18 Updated Feb 12, 2026
  • PowerToys Public

    Microsoft PowerToys is a collection of utilities that supercharge productivity and customization on Windows

    microsoft/PowerToys’s past year of commit activity
    C# 129,652 MIT 7,708 5,000+ (210 issues need help) 110 Updated Feb 13, 2026
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