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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 194k 45.4k

  2. TypeScript TypeScript Public

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

    Go 112k 16.7k

  3. PowerToys PowerToys Public

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

    C 140k 8.6k

  4. terminal terminal Public

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

    C++ 105k 9.7k

  5. semantic-kernel semantic-kernel Public

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

    C# 28.7k 4.8k

Repositories

Showing 10 of 8386 repositories
  • go Public

    The Microsoft build of Go is a modified version of Go that can build FIPS compliant applications that satisfy internal Microsoft policies.

    microsoft/go's past year of commit activity
    Go 431 BSD-3-Clause 45 104 6 Updated Oct 21, 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++ 105,208 MIT 9,669 1,688 (479 issues need help) 92 Updated Oct 21, 2026
  • fluentui Public

    Fluent UI web represents a collection of utilities, React components, and web components for building web applications.

    microsoft/fluentui's past year of commit activity
    TypeScript 20,335 2,948 464 (11 issues need help) 363 Updated Oct 21, 2026
  • vscode Public

    Visual Studio Code

    microsoft/vscode's past year of commit activity
    TypeScript 194,178 MIT 45,440 5,000+ (466 issues need help) 2,971 Updated Oct 21, 2026
  • aspire Public

    Aspire is the tool for code-first, extensible, observable dev and deploy.

    microsoft/aspire's past year of commit activity
    C# 6,380 MIT 1,016 2,410 (2 issues need help) 312 Updated Oct 21, 2026
  • oxidizer Public

    Oxidizer is a platform for Rust service development which bridges the gaps in the crate ecosystem to deliver a turn-key solution to enable the efficient creation of high-scale high-availability and high-performance services in Rust.

    microsoft/oxidizer's past year of commit activity
    Rust 181 MIT 31 1 40 Updated Oct 21, 2026
  • kiota-typescript Public

    TypeScript libraries for Kiota-generated API clients.

    microsoft/kiota-typescript's past year of commit activity
    TypeScript 61 MIT 42 9 8 Updated Oct 21, 2026
  • BCApps Public

    Repository for collaboration on Microsoft Dynamics 365 Business Central applications.

    microsoft/BCApps's past year of commit activity
    AL 708 MIT 478 273 570 Updated Oct 21, 2026
  • azure-pipelines-tasks Public

    Tasks for Azure Pipelines

    microsoft/azure-pipelines-tasks's past year of commit activity
    TypeScript 3,661 MIT 2,693 213 (16 issues need help) 191 Updated Oct 21, 2026
  • winget-pkgs Public

    The Microsoft community Windows Package Manager manifest repository

    microsoft/winget-pkgs's past year of commit activity
    11,214 MIT 11,121 1,374 4,161 Updated Oct 21, 2026
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