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.NET Fullstack • nuget

Best ASP.NET Core Packages

Cross-platform, high-performance .NET framework for modern web apps.

Rankings based on adoption rates from 64+ real ASP.NET Core projects on GitHub.

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64+
Projects Analyzed
14,619
Package Relationships
20
Top Packages

Top ASP.NET Core Packages by Adoption

Ranked by usage across 64+ real ASP.NET Core projects

1
microsoft.net.test.sdk
nuget
1743.7M
weekly
95%
adoption
2
newtonsoft.json
nuget
8776.1M
weekly
95%
adoption
3

How We Rank the Best ASP.NET Core Packages

PatternStack analyzes 64+ real ASP.NET Core projects on GitHub to determine which packages developers actually use in production. Unlike download counts or star counts alone, our rankings reflect co-occurrence patterns — which packages are used together in successful projects.

Each package is scored by adoption rate (how many ASP.NET Core projects include it), confidence (how consistently it appears with other popular packages), and health (whether it has known security vulnerabilities or is deprecated).

Packages with unpatched CVEs are automatically excluded from rankings. Data refreshes continuously as new projects are synced, so you always see what developers are choosing now, not what was popular years ago.

The top ASP.NET Core packages include microsoft.net.test.sdk (95% adoption), newtonsoft.json (95%), and xunit.runner.visualstudio (95%). These form the core of most production ASP.NET Core stacks.

Choosing Packages for Your ASP.NET Core Project

When starting a new ASP.NET Core project, the package choices you make early on shape your entire architecture. PatternStack helps you make informed decisions by showing what combinations work well together, based on real project data.

Instead of relying on blog posts or opinions, you can see exactly what percentage ofASP.NET Core projects use each package and what they pair it with. This is especially valuable for choosing between alternatives — like deciding between ORMs, authentication libraries, or testing frameworks.

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Why PatternStack?

Open-Source Project Data

Rankings based on what real ASP.NET Core projects actually use in production—not opinions.

Security Filtered

Packages with known CVEs are automatically filtered out. Ship with confidence.

Always Fresh

Data updates continuously. See what's being adopted now, not what was popular years ago.

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© 2026 PatternStack. Community-driven package intelligence.

xunit.runner.visualstudio
nuget
989.7M
weekly
95%
adoption
4
xunit
nuget
979.2M
weekly
95%
adoption
5
microsoft.extensions.hosting
nuget
1471.7M
weekly
87%
adoption
6
coverlet.collector
nuget
970.5M
weekly
80%
adoption
7
system.text.json
nuget
6089.7M
weekly
88%
adoption
8
nsubstitute
nuget
283.8M
weekly
86%
adoption
9
microsoft.entityframeworkcore.sqlserver
nuget
967.9M
weekly
96%
adoption
10
microsoft.extensions.configuration
nuget
6618.9M
weekly
87%
adoption
11
microsoft.extensions.http
nuget
2401.3M
weekly
88%
adoption
12
opentelemetry
nuget
594.2M
weekly
78%
adoption
13
microsoft.aspnetcore.testhost
nuget
520.6M
weekly
86%
adoption
14
system.diagnostics.diagnosticsource
nuget
9775.2M
weekly
81%
adoption
15
swashbuckle.aspnetcore
nuget
1152.2M
weekly
89%
adoption
16
microsoft.extensions.dependencyinjection
nuget
7453.0M
weekly
80%
adoption
17
microsoft.entityframeworkcore.inmemory
nuget
439.6M
weekly
89%
adoption
18
opentelemetry.extensions.hosting
nuget
380.8M
weekly
86%
adoption
19
opentelemetry.instrumentation.aspnetcore
nuget
334.9M
weekly
86%
adoption
20
microsoft.entityframeworkcore
nuget
2347.6M
weekly
87%
adoption

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