Fastell is a shell for Windows. Its a lot faster than Explorer but it has its interface. It has many options, that Explorer doesnt have, like skins, sounds, desktop that can hide and more. And, Fastell is freeware!
Specrem is a remote controlling tool. You can control any computer which has the server program running with the client program. There are many options available, like File Manager and Windows manager example. Try now, its completely free!