Top 20 NuGet castlewindsor Packages
The WebApiContrib.IoC.CastleWindsor library provides dependency injection helpers for ASP.NET Web API.
Topshelf.CastleWindsor provides extensions to construct your service class from your Castle Windsor IoC container.
Castle windsor interceptor that decorates interfaces with cachew cache and decorator builder that decorates interfaces with cache
Little additions to CastleWindsor that I wouldn't ever leave the house without.