Blue Crab!

cURL is a computer software project providing a library and command-line tool for transferring data using various protocols with URL syntax: supporting FTP, FTPS, SCP, SFTP, HTTP, HTTPS, TFTP, TELNET, DICT, LDAP, LDAPS and FILE. cUrl supports HTTPS certificates, HTTP POST, HTTP PUT, FTP uploading, kerberos, HTTP form based upload, proxies, cookies, user+password authentication, file transfer resume, http proxy tunneling and a busload of other useful tricks.

PageArchiver (previously called "Scrapbook for SingleFile") is a Chrome extension that helps you to archive web pages for offline reading.

SiteSucker is a Macintosh application that automatically downloads Web sites from the Internet. It does this by asynchronously copying the sites Web pages, images, backgrounds, movies, and other files to your local hard drive.

WebZIP Offline Browser - a fast and easy way to download, store and browse Web sites offline.

WebCopier is an easy-to-use website mirror utility. It allows to download entire Web sites, store them locally and view them later, at users' convenience. WebCopier provides access to the downloaded information at any time, no matter where its users are, no Internet connection is required. WebCopier can copy or print whole sites or sections. Your saved pages can be copied onto disks and CDs, so you can take your Web-snapshot with you. Companies can use WebCopier to transfer company's intranet contents to staff desktops and notebooks, create a copy of companies' online catalogs and brochures for sales personal, backup corporate web sites, print downloaded files. Individuals can use WebCopier to save complete copies of their favorite sites, magazines, or stock quotes. NewsCopier - RSS newsreader puts the latest headlines, weather, sports, business, and entertainment news right in your hands. »