Top 20 NuGet .net Packages

Utilities for building data models, data contracts, for common extensions, cryptography and a REST API client
.NET library for the Formly Schema generation. Formly Schema is used by the ngx-formly (https://formly.dev) project which is a dynamic (JSON powered) form library for Angular. Documentation: https://github.com/VyacheslavPritykin/NFormlySchema#readme
Silk.NET is a high-speed, advanced library, providing bindings to popular low-level APIs such as OpenGL, OpenCL, OpenAL, OpenXR, GLFW, SDL, Vulkan, Assimp, and DirectX.
Productivity Tool: Azure Extensions and helper Data Models
User Authentication with one Provider for CosmosDb Table
An implementation of the Chatter.MessageBrokers adapter library for SQL Service Broker.
A lightweight HTTP server on top of TCP listener. No admin rights required.
Plato deployment package
GeckoFX and XulRunner binaries for .NET GeckoFX Runtime Version: 45.0.6.0 XulRunner Runtime Version: 45.0.0.5873
[codingfreaks] WPF utility library
LunaTechSoftware.OAuth2.DriveV3
MixedReality-WebRTC is a collection of components to help mixed reality app developers integrate audio, video, and data real-time communication into their application and improve their collaborative experience. This package contains the C# and native C++ libraries (x86, x64) for Windows Desktop.
Support library for hosting Orleans on Microsoft Azure.
Glue for .NET and Web applications
This package contains GTK+ dependancies to be used by Gtk# on Windows. Gtk# is a .NET language binding for the GTK+ toolkit and assorted GNOME libraries.
A generic validation framework supporting cross-entity data validation.
A technology to separate generic operations (such as cloning, iterating, validating) from your data model.
A library for small helpful classes I use across multiple Windows Phone projects
WPF Converters provides a number of generic binding converters for use in WPF and Silverlight applications. Online at http://wpfconverters.codeplex.com/.
Utilities class for .Net including Dynamic property getters/setters, automatic IQueryable searching, LinqToSql shortcuts, FileStream shortcuts, String extensions and more.