What are some alternatives?
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.
Free Download Manager - It is a powerful modern download accelerator and organizer for Windows and Mac.
Internet Download Manager - Internet Download Manager is an application that is designed to make downloading, organizing and storing your files a whole lot easier. If you are like many people, you might download a lot of files from the internet on a daily basis.
aria2 - aria2 is a lightweight multi-protocol & multi-source command-line download utility. It supports HTTP/HTTPS, FTP, SFTP, BitTorrent and Metalink.
DownThemAll - DownThemAll is a free extension for Firefox that is designed to allow you to download multiple links or files on a page without having to click each link.
EagleGet - We were pleasantly surprised with the multi-talented EagleGet, since we expected it to be nothing more than a download accelerator.