A download manager is an application that helps you to download files faster (especially big ones); it re-starts downloading after breaking connection.

Wget

Wget is a kind of console applications but you can use GUI for it called Gwget.

1. Installation:

apt-get install gwget

a. Run it from: Menu-> Network-> Gwget Download Manager.

b. Copy downloading file link from a web browser.

c. Add it to Gwget

and wait for finishing.

2. For KDE there is KGet Download Manager as a part of the environment.

Wget home page: http://www.gnu.org/software/wget/wget.html

More about Wget on Wikipedia: Wget

Gwget home page: http://projects.gnome.org/gwget/

Gwget on Wikipedia: GWget

KWget on KDE home page: http://www.kde.org/

KGet on Wikipedia: KGet

Quick Downloader

Small but system independent applications works with Java.

1. Download "OSIndependent" file from: http://qdown.sourceforge.net/ and extract it.

2. Get in the new created "OSIndependent" folder in Termial as an user and run it:

java -jar QuickDownloader.jar

DownThemAll!

Firefox web browser add-on install from: https://addons.mozilla.org/en-US/firefox/addon/201/

Running the add-on first time just choose download folder

and click on "Start".

Home page: http://www.downthemall.net/

FireDownload

It's another Firefox add-on and it makes downloading 10 times faster as the add-on maker says,

install from: https://addons.mozilla.org/en-US/firefox/addon/10615/

Home page: http://www.fireaddons.com/