Top 20 NuGet WCF Packages

Easily, reliably and correctly consume services using Microsoft's Windows Communication Foundation (WCF) library - including correctly performing the Close/Abort pattern and preventing memory and server connection leaks.
OpenRiaServices.Signed.Client is the full signed OpenRiaServices client for wpf/silverlight and portable libraries in a single package.
A simple domain driven data access library.
A simple domain driven data access library. Sample template and class provided.
Nelibur is a message based web service framework on the pure WCF. Nelibur simplifies creating high-performance and message based web services and you certainly have all the power of the WCF
The WCF REST Contrib library adds functionality to the current WCF REST implementation.
Provides an ApplyChanges extension method for DbContext that sets EntityState on trackable entities, so they can be saved in a single transaction as part of a batch update.
A lightweight MQ-solution. Like a mix of WCF and ZeroMQ (ZMQ).
Non-Configurable Enterprise Library Shared Library based on .NETStandard
The Enterprise Library Exception Handling Application Block WCF Provider helps to prevent details of the service implementation from escaping the secure service boundary.
NetSqlAzMan is for all Microsoft .NET 4.0 developers that need to manage loosely-coupled applicative authorizations, that is, weakly coupled with source code, in a light and fast way having all these authorizations in a relational database such as MS Sql Server (2000/MSDE/2005/2008/Express).
MiniProfiler integration for WCF
Easy multi-service WCF configurator from code or files
Server API for responding to OData queries and consuming/producing OData payloads based on entity framework version 6.0 or higher Supports OData v3. Targets .NET 4.0.
Console app for self-hosting WCF services.
WCF integration for DryIoc based on Simple Injector WCF integration
Extended and improved version of the original DevTrends.WCFDataAnnotations library. WCFDataAnnotations allows you to automatically validate WCF service operation arguments using the validation attributes and IValidatableObject interface from System.ComponentModel.DataAnnotations.
Simple, intuitive and logical every-day-usage additions to the Microsoft .NET Framework 2.0 SP1 and newer. Follows the same namespace structure already found in the .NET Framework.
NetSqlAzMan is for all Microsoft .NET 4.0 developers that need to manage loosely-coupled applicative authorizations, that is, weakly coupled with source code, in a light and fast way having all these authorizations in a relational database such as MS Sql Server (2000/MSDE/2005/2008/Express).
Utility to generate fault tolerant and highly configurable client proxies for WCF services based on WCF ServiceContracts. Supports making async calls using non async-ready ServiceContracts.