Speed Download is the leading 'Universal' download manager for Mac OS X. Developed exclusively for Mac OS X Tiger and later, Speed Download 5 marks the next generation of powerful and reliable, time-saving download managers. Faster and more secure, more features, easier to use and sporting a new look, this latest Speed Download release sets a new standard for download manager innovation, and is designed to be your central, unified hub for almost all the downloading and file transfer activities you do online. 

Some of the new features include the following:
a gorgeous and easy to use interface, 
a re-engineered turbo-charged download engine, 
a central database to manage all your downloads, uploads, and file transfers, 
a built-in FTP client (with SSL) that satisfies the basic FTP needs of most users,
Full WEBDAV support and integration,
Full WEBDAV-SSL support and integration,
Encrypted P2P file sharing, 
a powerful utility for downloading web content for offline viewing, 
Full MobileMe/.Mac iDisk integration, 
NetNewsWire andIntegration,
auto-resuming file transfers anywhere, anytime, 
unlimited UNDOs throughout the entire application, 
smart folder technology, 
and much more!

WHAT'S NEW
Version 5.1.2:
New: Turbo-charged and optimized for Apple Safari 4.
New: Added support for GRX files.
Updated: Enhanced YouTube compatibility.

see more at http://iBrain.com.ua