NuGet.org website, .NET package manager, NuGet Gallery, package repository, PackageReference, Visual Studio, dotnet CLI, package publishing, Microsoft, and WHOIS domain data

NuGet

NuGet is the .NET package manager and NuGet.org is the central package repository website where developers find, publish, install, and evaluate .NET packages.

Core purpose

NuGet provides package-management tools for .NET, while NuGet.org serves as the central public package repository for authors and consumers.

Official domain

nuget.org is the main public website for browsing packages, uploading packages, viewing statistics, reaching documentation, and checking service status.

Domain created

October 23, 2010

The NuGet project logo used as the brand image for the website page.View logo on Wikimedia Commons

What NuGet is

NuGet official site is the public NuGet Gallery and package repository for the .NET ecosystem. It helps developers discover packages, inspect package pages, upload packages, view package statistics, and connect with documentation and service-status information. NuGet also refers to the package-management tooling used from Visual Studio, the .NET CLI, the NuGet CLI, and build workflows. The website and tools work together: NuGet.org hosts and indexes public packages, while client tools install, restore, update, and publish those packages.

Packages and project references

A NuGet package is normally distributed as a .nupkg file with metadata and package contents for .NET projects. Modern projects often use PackageReference entries to record dependencies, version requirements, target frameworks, and restore behavior. That lets teams describe reusable libraries without manually copying assemblies into each project.

Finding and evaluating packages

Microsoft's NuGet documentation explains that developers can search packages directly on NuGet.org or through Visual Studio package tools. Package pages can show identifiers, versions, authors, descriptions, download counts, supported frameworks, dependencies, license information, project links, and trust signals such as reserved package ID prefixes.

Publishing and package authors

Package authors use NuGet to package reusable .NET libraries, analyzers, templates, tools, SDKs, and components. Publishing usually means creating package metadata, choosing a stable package ID, setting versions carefully, uploading the package, and maintaining future releases so consumers can upgrade predictably.

Tools around NuGet

NuGet is visible in several developer tools. Visual Studio has package-manager UI and console workflows, the dotnet CLI can add and restore packages, and CI systems often restore NuGet dependencies before building or testing. Private feeds such as Azure Artifacts or GitHub Packages can also be used alongside or instead of NuGet.org.

Who uses NuGet

NuGet is used by .NET application developers, library maintainers, enterprise teams, open-source projects, Visual Studio users, build engineers, and organizations that need reusable .NET components. A beginner may add a package from Visual Studio, while a large team may manage internal feeds, locked versions, package audits, and release pipelines.

Why it matters

NuGet matters because .NET development depends on shared packages for web frameworks, testing, data access, cloud SDKs, logging, serialization, analyzers, templates, and developer tools. The registry makes reuse easier, but it also makes dependency quality, versioning, package identity, and supply-chain security important parts of everyday .NET work.

WHOIS domain data

Data pulled: May 24, 2026View current WHOIS record

Domain: nuget.org
IP address: 52.159.113.5
Registrar: MarkMonitor Inc.
WHOIS server: whois.markmonitor.com
Referral URL: http://www.markmonitor.com
Created: October 23, 2010
Updated: September 21, 2025
Expires: October 23, 2026
Nameservers: ns1-205.azure-dns.com (13.107.236.205); ns2-205.azure-dns.net (150.171.21.205); ns3-205.azure-dns.org (204.14.183.205); ns4-205.azure-dns.info (208.84.5.205)
Domain status: clientDeleteProhibited; clientTransferProhibited; clientUpdateProhibited
DNSSEC: unsigned
Contact information: Registrant organization is listed as Microsoft Corporation; technical contact is listed as MSN Hostmaster.

Key concepts

NuGet GalleryThe NuGet.org package repository website where public packages can be searched, viewed, and uploaded.
NuGet packageA .nupkg archive that contains metadata and package contents for .NET projects.
PackageReferenceA project-file format for recording NuGet dependencies and version requirements.
Package sourceA repository endpoint, such as NuGet.org or a private feed, that NuGet client tools can query.

Common workflows

Search NuGet.org or Visual Studio for a package that matches a .NET project need.
Install or update a package through Visual Studio, the NuGet CLI, the dotnet CLI, or automated build scripts.
Publish a package after preparing metadata, versions, target framework support, and package contents.
Use private feeds, lock files, package audits, or reserved ID prefixes to reduce dependency-management risk.

Common misconceptions

NuGet.org is not the same as every NuGet feed; organizations can also run private or internal package sources.
A package being listed on NuGet.org does not automatically mean it is maintained, secure, or compatible with every target framework.
NuGet packages are not only for libraries; they can also include tools, templates, analyzers, and native components.

Open questions

How should .NET teams balance public packages, private feeds, package signing, and automated package auditing?
How much trust should come from package ID prefixes, verified ownership, download history, source links, or security scanning?
Will more .NET teams standardize on locked dependency workflows as software supply-chain expectations rise?