Tension Software has released Url Extractor X 3.0
(http://pomola.com/products_urlextractor/urlextractor.html). Url
Extractor X is a Mac OS X app for extracting emails address and
generic URLs from files on the HD or directly from the web using a
list of “starting” web addresses and working unattended after the

Url Extractor can extract thousands of URLs from the web starting
from a single web page and using “cross navigation” and extraction.
With version 3.0, it allows you to specify a series of keywords, then
it searches web pages related to the keywords via search engines and
start a cross navigation of the pages collecting URLs.

Url Extractor requires Mac OS X 10.4 or higher and costs US$30. It’s
Universal Binary so runs natively on both PowerPC and Intel Macs.