Top 20 NuGet castle Packages

Castle Core, including DynamicProxy, Logging Abstractions and DictionaryAdapter
Castle log4net integration, logging services from Apache based on log4j
Castle Windsor is best of breed, mature Inversion of Control container available for .NET.
AsyncInterceptor is an extension to Castle DynamicProxy to simplify the development of interceptors for asynchronous methods.
Castle NLog integration, flexible and free open-source logging for .NET
Castle Windsor logging facility lets you easily inject loggers into your components. It offers integration with most popular 3rd party logging frameworks like log4net, NLog and Serilog (see Castle Core docs).
Castle Windsor WCF Integration facility enables integration with Windows Communication Foundation. It makes services and WCF proxies available as services in your application, lets you use non-default constructor and inject dependencies into your services, adds ability to easily set up your services...
Asp.Net Castle Integration with Miruken
A simple caching AOP extension library based on Castle
Generate Audit Logs by intercepting operation calls on any class without changing its code.
Provides ability for the components to be created by factory objects. You can use it to register things like HttpContext in the container. This facility is mostly targeted towards legacy applications.
Synergy Layered Application Architecture (SLARCH) support using Windsor Castle
Provides a Castle Windsor container adapter for Rebus
Castle Serilog integration, for simple logging with structured events
A Castle implementation of the NHibernate proxy factory
Castle integration for Miruken.Validate
Castle integration for Miruken
Castle Windsor ASP.NET Core facility lets you easily add windsor to aspnet core apps.
Castle Windsor system web facility lets you easily add windsor to legacy aspnet web apps.