Top 20 NuGet design Packages

These are Material Design controls for all programming activities
Math.NET Filtering, providing methods and algorithms for signal processing and filtering in science, engineering and every day use. Supports .Net Framework 4.0 or higher and .Net Standard 1.3 or higher, on Windows, Linux and Mac.
Interfaces and base implementation for the domain-driven design pattern, including aggregate roots, domain repositories and domain events.
Base implementation for domain repositories and domain events using the unit of work pattern.
Autofac implementation for the domain event handler resolver defined in Affecto.Patterns.Domain NuGet.
Abp.Owin
Fluent Design System for WPF
Contains a bunch of interfaces, abstract classes, etc... to easily deal with DDD infrastructure layer
Provides common types for persisting domain objects to DocumentDB.
Common design for MVC Application
Abstraction layer for Specification design pattern. Contains also interfaces and structures for validation and Linq scenarios. Commonly used types: - FluentSpecification.Abstractions.Generic.ISpecification - FluentSpecification.Abstractions.Generic.IValidationSpecification - FluentSpecification.Abst...
Contains a bunch of interfaces, abstract classes, etc... to easily deal with domain driven architectures in the application layer.
Attributes used by Apex.Analyzers.Immutable
Roslyn powered analyzers for C# to support defining immutable types
51Degrees Lite data for 51Degrees.mobi package. Version number is in the format 3.2.[year].[month].
Math.NET Filtering, providing methods and algorithms for signal processing and filtering in science, engineering and every day use. Supports .Net Framework 4.0 or higher and .Net Standard 1.3 or higher, on Windows, Linux and Mac.
Puresharp is a Framework that provides the essential APIs to productively build high quality (.NET 4.5.2+ & .NET Core 2.1+) applications through reliability, scalability and performance without no compromise.
IPuresharp urbanize libraries with strategic private code to lay transparent foundations for Puresharp API .NET
Abp.Web
Abp.EntityFramework.GraphDiff