aria2 - aria2 is a lightweight multi-protocol & multi-source command-line download utility. It supports HTTP/HTTPS, FTP, SFTP, BitTorrent and Metalink.

NeoDownloader - As you know, there is a lot of websites with a lot of pictures, music and movies.

cURL - cURL is a computer software project providing a library and command-line tool for transferring data...

WFDownloader App - A free bulk image downloader application that also serves as a multi-purpose bulk downloader for your PC.

JDownloader - JDownloader is a free downloading tool that enables you to download files from over a hundred hosting sites. The tool is compatible with Linux, Mac and Windows operating systems. Read more about JDownloader.

Transloader - Start downloads on your Macs, remotely from other devices