If you can find the blog below all the adds, here's a list of packages that can be use as download manager for Ubuntu Edgy Eft.
Read somewhere around here
Download Manager Features:
Pausing the downloading of large files.
Resuming broken or paused downloads (especially for very large files).
Downloading files on poor connections.
Downloading several files from a site automatically according to simple rules (file types, updated files, etc. – see also Offline Browser).
Automatic recursive downloads (mirroring).
Scheduled downloads (including, automatic hang-up and shutdown).
Searching for mirror sites, and the handling of different connections to download the same file more quickly (Segmented downloading).