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There's actually a tiny implementation of wget for Windows that I've been using for that type of thing precisely;)
It's called nugget, doesn't have all the bells and whistles of wget but still has some pretty interesting and unique features.
Don't have the URL at hand, though.
Especially interesting is 2nd generation coins such as Counterparty, Mastercoin and the like, building new services on top of the existing Bitcoin blockchain. Great overview in this post: