WebCopier for Mac Description:

WebCopier is a powerful offline browser that downloads Web sites and stores them locally. It gives you instant access to critical Web sites at any time, regardless of where you are. WebCopier performs precise links searching, including JavaScript parsing, it can download up to 100 files simultaneously. It supports proxy servers, allows to specify account name and password to access secure web sites. Advanced features include Url and file filters, wizards, ability to resume download, Agent Identification.