Gwget

File download manager, resume feature, fast file download, can be added to Firefox.
Continue: By default, gwget attempts to continue any download. Notification: Gwget tries to use the Gnome notification area support, if available. You can close the main window and gwget runs in the background. Recursivity: Gwget detects when you put an HTML, PHP, ASP, or a web page directory in the URL to download and asks you to download only certain files (multimedia, only the index, etc.). Drag & Drop: You can drag and drop a URL to the main gwget window or the notification area icon to add a new download. Drag and drop: You can add a URL to a new download icon in the main D&D window or notification area using gwget.