nScriptHost is a .NET library that supports VBScript and JScript. It allows developers to integrate scripting into their applications and expose objects from the application to the scripting engine so that scripts can interact with the application.
An automation plugin for Winamp. This exposes a lot of winamp functionality through COM / ActiveX. You may use this to write VB or .NET or any other applications which interact with Winamp. Also supports internal script hosting.