Supersonic Download Accelerator is a simple and reliable download manager with excellent features like, segmented downloads for acceleration, simultaneous downloads and many others.
Supersonic increase your download speed by finding multiple sources and allows you to preview downloads. For download you can even use links stored in you clipboard, moreover, both protocols HTTP and FTP are supported.
User interface is as clean as it can be providing you all the features in the easiest way possible. It has no advertisements and running resources are very low.