Arale is a multi-threaded Java spider for advanced personal use.
More information about them, from the website:
Arale can download entire web sites or specific resources from the web. Arale can also render dynamic sites to static pages.
UPDATE
No longer maintained, but it's still available for download and it apparently works.
Visit Arale
Highly Recommended for All Web Publishers:
Are you a publisher or advertiser looking for the right internet advertising network? Check out our overviews of interactive marketing providers, including online ad networks such as Tribal Fusion, ValueClick, Adconion, Casale Media, and dozens more. We cover display advertising networks, text-based advertising, contextual ads, viral, pre-roll video, mobile, in-image advertising, performance networks, and everything else in the internet advertising realm. Click here for the complete list of internet advertising networks.
Reviews of selected top internet advertising networks:
