Blue Crab is described as 'Versatile app that you use to download the contents of a website to your Mac, in whole or in part, and then search it' and is a download manager in the file sharing category. There are five alternatives to Blue Crab for a variety of platforms, including Mac, Windows, Linux, BSD and Linux Mobile apps. The best Blue Crab alternative is Wget, which is both free and Open Source. Other great apps like Blue Crab are cURL, uGet, SiteSucker and WebCopier.
GNU Wget is a free software package for retrieving files using HTTP(S) and FTP, the most widely-used Internet protocols. It is a non-interactive command line tool, so it may easily be called from scripts, cron jobs, terminals without X-Windows support, etc.
United States
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.
Sweden
EU
uGet is a lightweight and full-featured Download Manager for Linux and Windows. uGet allows you to download in multiple parallel streams for download acceleration, put files in a Download Queue, Pause & Resume downloads, Advanced Category Management, Browser Integration...
Thailand
macOS application that automatically downloads websites from the Internet. It does this by asynchronously copying the site's webpages, images, PDFs, style sheets, and other files to your local hard drive, duplicating the site's directory structure.
United States
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...
United States
