Top 20 NuGet enough Packages

These useful XAML converters ease databinding between ViewModel and View in MVVM environments.
These extensions allow you to retrieve content either from the cache or directly from the web. Web content is automatically cached depending on cache/expires settings as defined on the server.
Minimalistic tool for synchronizing access across one or several await calls. Based on code developed and described by Stephen Toub, http://blogs.msdn.com/b/pfxteam/archive/2012/02/11/10266920.aspx.
StorageHelper for saving and loading objects using a DataContractSerializer for Windows Store, Windows Phone and universal Windows .NET apps
Connectivity helper for Netduino, Gadgeteer or similar.NET Micro Framework apps. Allows you to send and receive data in convenient ways using events. Contains a driver for the Seeedstudio Bluetooth Shield.
MVVM classes for universal Windows apps that take the lifecyle of such apps into account.
Helps you to create HTTP requests that are signed using OAuth 1.0.
Eases to access JSON or text based REST services for universal Windows and UWP apps.