Top 20 NuGet config Packages

Configuration modification tool for .NET
Wolfpack.Contrib.Wcf
Contains an implementation of a overrider for AzureConfigurationManager for the Invisionware Settings Library
MSBuild task which generates a strongly-typed Config class from an XML config file at build-time.
This library allows .NET developers to use the Windows HTTP server API to manage the Windows HTTP server API without using the "netsh" tool with the "http" option.
Text configuration file library
Proteus.Utility.Configuration is a library that abstracts reading config values from e.g., app.config/web.config and supports their being overridden by ENVIRONMENT VARIABLES and/or a local.settings.json files.
Installs build targets for handling of user specific config file overrides at solution and project level. (i.e. transforms not in project or source control)
Consul configuration provider implementation for Microsoft.Extensions.Configuration. Allows reading Asp.Net.Core app configuration from Consul Key-Value store
Extended configuration library for .NET framework.
ASP.NET Core Spring Cloud Config Server Configuration Provider
Provides the ability to provide configuration to the hosted application by convention.
A library that unites Service Fabric's config packages and ASP.NET Core's configuration.
An extension library for .NET Core.
A template/starter Web/App config for leveraging NuLog.
Simple command line exe to apply web config style transforms to arbitrary xml files.
C# library for parsing Apache .conf files