Top 20 NuGet web Packages

BlueLeet.UScheduler a adapter library for Umbraco and Hangfire.
Web.Api library for ChilliSource.Cloud
Common Utilities. Web Vue Helpers
Common Web. Generics for Web Charts
Node Pushnotifications (node-pushnotifications) binding library for Bridge.NET projects.
Rx binding library for Bridge.NET projects.
Genesys Source Framework Interop for your business entities and models. Genesys Framework is a full-stack .NET solution that centralizes your business objects in one reusable solution that runs in Windows, Web and Mobile..
C# Class Library for the Tropo WabAPI
Extended and typed DataTables, DataTable to Excel reporting, various graph structures, translation tables, trend estimation structures, path DOM, reporting extensions, TF-IDF corpus and document data structures, data structures for reporting and other stuff in context of imbSCI framework
Library made from coders to coders with some utilities used in GreenConcept projects
MyTested.WebApi2 is unit testing library providing easy fluent interface to test the ASP.NET Web API framework. See the project repository and documentation for more information and available features.
Web API self hosting for Single Page Application with Angular 2+. Middleware for OWIN pipeline. This application infrasrtucture for SPA on the Web API services.
Serilog logger for Nancy web applications. Handler request, response and exceptions.
Useful extensions for NLog.Web.AspNetCore
A library extension built around Microsoft Entity Framework to extend its functionality and performance.
Nancy Scaffolding with log, serializer, all structure to work good for me :D
A LINQ to FetchXML web-api query provider which supports many scenarios unsupported by the Dynamics SDK's implementation.