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, Google, MetaCafe, Myspace and DailyMotion and download files from most of file-sharing service websites like RapidShare.
Version 2.0.1 adds option to amend file extension when completed.
What's new in this version:
Version 1.5.7 is a bug fixing release.