Tension Software (http://www.tensionsoftware.com) has revved URL Extractor — the Mac OS X tool for extracting URLs and emails from the web, search engine and local files — to version 4.2.1. The new version boasts an improved web extraction engine and better handling of non-native file formats.
URL Extractor requires Mac OS X 10.8 or higher. It costs US$50 and is available from the Tension Software web site and the Mac App Store.