Once upon a time Nathan Langford said:
> I may not be first to notice this: www.ocaml.org is ridiculously
> similar to www.netbsd.org.  This seems somehow "wrong" to me;
> though html source says "Style inspired by the NetBSD Project",
> I'd classify that as plagiarized design!  Unless there's some
> special relationship between NetBSD & OCaml I'm not aware of...

At least they refer back to the NetBSD project:

<!-- Copyright (c) 2001 Julian Assange, ALL RIGHTS RESERVED.
Style inspired by the NetBSD Project, see http://www.netbsd.org/ -->

I see that as a way of promoting NetBSD's website, rather than plagiarizing it :)