Multiget - Multi-Threaded Graphical Download Manager for Ubuntu / Debian / OpenSuSe Linux

MultiGet is an easy-to-use GUI file downloader for Windows/Linux/BSDs/MacOs.  It's programmed in C++ and has a GUI based on wxWidgets. It supports HTTP/FTP protocols which covers the requirements of most users. It supports multi-task with multi-thread on multi-server. It supports resuming downloads if the Web server supports it, and if you like, you can reconfig the thread number without stopping the current task. It's also support SOCKS 4,4a,5 proxy, ftp proxy, http proxy.

Installation:
Ubuntu: $ sudo apt-get install multiget
OpenSuSe user can use "1-click" installer to install MultiGet - here
You can start MultiGet in Ubuntu by going to Applications > Internet > MultiGet

Once installed, Multiget monitors your clipboard for download links -- or you can start putting the app to use via its floating drop box. Find something you want to download in your favorite browser, then click and drag a link onto the box to initiate the transfer. Downloads can also be started via Multiget's task menu.