Top 20 NuGet configuration Packages

InjectionMap.Configuration is a small extension to InjectionMap for defining mappings in the application configuration file.
Feature Toggle Library
An abstraction for a configuration provider service.
A lightweight, simple, flexible, extensible library to read configurations using strongly typed classes. - you can use a standard way to read configuration from app.config or from a pure JSON configuration file. - you can also use a mix of various configuration sources like app.config and config.j...
.NET Data and Database Extensions
Configuration from file for Trigger.NET
Qi4CS Extension: Configuration is an extension of Qi4CS.Core that provides basic API for assembling composites that can be deserialized and serialized by ConfigurationManager, which is also provided by this extension. The configuration composites may have their location specified at assembling time ...
Qi4CS Extension: Configuration (XML) is an extension of Qi4CS.Core that further augments Qi4CS.Extensions.Configuration by adding customizable XML (de)serialization support for configuration composites.
Fx.Configuration to use with Azure Cloud Services configuration A lightweight, simple, flexible, extensible library to read configurations using strongly typed classes. - you can use a standard way to read configuration from app.config or from a pure JSON configuration file. - you can al...
App configuration for .NET. Strong-typed, JSON file-based, host-independent, and manageable.
Helper library for parsing, validating and processing command line arguments for .NET
Lightweight multiple environment aware configuration library.
In ASP.net site use single web.config for all servers (dev, test, prod, etc), simple add this Extension class to read Settings or ConnectionString
Configuration based message routing support for MassTransit .NET distributed application framework http://masstransit-project.com
A library simplifying saving configuration data for C# / .NET programs to .xml files by providing base classes for saving/loading .xml files.
A class library for managing application configuration information, as an alternative to web or application .config files. Supports encryption and allows for configuration information to be changed or reloaded at runtime without an application restart.
Configuration class generator for app.config and web.config appsettings and connectionStrings.
Configuration Providers Library
Small utility for loading/saving properties of .Net classes as string values into app.config file or other sources(Json/XML,...)
Hangfire schedule configuration from app.config / web.config