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...
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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.