kget

KGet is a versatile and user-friendly download manager.
Main Features:
- Downloading files from FTP and HTTP(S) sources.
- Pausing and resuming of downloading files, as well as the ability to restart a download.
- Tells lots of information about current and pending downloads.
- Embedding into system tray.
- Integration with the Konqueror web browser.
- Metalink support which contain multiple URLs for downloads, along with checksums and other information.