Orbit Downloader is a great speed, super light,
easy to use/config,
feature-rich and free download manager.
It integrates seamlessly into IE and FireFox.
It supports HTTP/HTTPS/FTP/RTSP/MMS/Metalink
and can resume broken downloads. Using Orbit Downloader,
you can also download flash games online,
download videos from Youtube,
Myspace and DailyMotion
and download files from most of file-sharing service
websites like RapidShare.