Top 20 NuGet Packages

Ninject extension that allows that child kernels can be defined.
Logging extension for Ninject
A double-ended queue.
Structured logging with NLog. Generates log entries as JSON.
NLog logging for ASP.NET and ASP.NET MVC. Includes targets and layout renderers for websites and web applications. This package is for ASP.NET 3.5+ For ASP.NET Core: Check https://www.nuget.org/packages/NLog.Web.AspNetCore
NetTopologySuite PostGIS spatial support plugin for PostgreSQL/Npgsql Entity Framework Core provider.
NodaTime support plugin for PostgreSQL/Npgsql Entity Framework Core provider.
Allows auditing of saga state changes in NServiceBus endpoints
A uniform session which unifies the common operations of message session and handler context.
NSubstitute is a friendly substitute for .NET mocking libraries. It has a simple, succinct syntax to help developers write clearer tests. NSubstitute is designed for Arrange-Act-Assert (AAA) testing and with Test Driven Development (TDD) in mind.
NSwag: The OpenAPI/Swagger API toolchain for .NET and TypeScript
NumSharp is the fundamental library for scientific computing with .NET providing a similar API to python's numpy scientific library. NumSharp has full N-D, broadcasting and axis support. If you want to use .NET to get started with machine learning, NumSharp will be your best tool.
Extends ApprovalTests to allow simple approval of complex models.
Obsolete. Use ical.net: https://www.nuget.org/packages/Ical.Net/
100% C# implementation of remote delta compression based on the rsync algorithm
Package Description
OpenCV wrapper for .NET Framework
Versatile OpenID Connect stack for .NET. Note: this metapackage only references the generic core, client, server and validation packages. To use these features on ASP.NET Core or OWIN/Katana/ASP.NET 4.x, reference the OpenIddict.AspNetCore or OpenIddict.Owin package.
OpenIddict binders for ASP.NET Core MVC.
OpenMcdf is a 100% .NET / C# component that allows developers to manipulate Microsoft Compound Document File Format for OLE structured storage. It supports read/write operations on streams and storages and traversal of directory trees.