Top 20 NuGet interface Packages

Lightweight runtime interface implementation or handling for .NET standard
Generic base interfaces needed for implementing a very basic repository pattern in your project.
Abstract base class for SQLite repositories.
Package with WCF callback interface and implementation for accessing client logs remotely FROM SERVER (useful for diagnostics to see what is happenned on client side). Independent from log subsystem (NLog, Serilog, log4net and others)
Lightweight class factory
A library for generating logger classes from interfaces at run-time
A library for generating logger classes from interfaces at run-time
The Polaris User Interface package contains elements that simplify the development of attractive and fluid user interfaces. Actions, Animation extensions, Controls, Converters among other user interface functionality is contained in this package.
Default JSON Deserializer for wrapper libraries that provide high-level access to the Guild Wars 2 API ( http://wiki.guildwars2.com/wiki/API ).
Logger facade
Enables WebApi projects to use XSerializer for its xml serialization.
Wire up your logging with the NLog logging framework.
A utility to automatically generate the wrapper class and return to you the wrapped object that implements your interface.
NView.Controls contains several controls for the cross platform user interface libary NView.
A simple and lightweight maintenance interface for .NET applications. You can use MaintFace to view information about and interact with your application.
Package Description
class interfaces for accessing files stored in cloud platforms like AWS or Azure. These interfaces are implemented in the TECHIS.CloudFile.AzureStorage package and upcoming TECHIS.CloudFile.AwsS3
Find and control VLC media players across a network using their HTTP interfaces.