Progressive Downloader is a fast and powerful tool developed by Maxim Trushin and it is basically a peer-to-peer download manager.
It comes with a modern look, an appealing interface and a well-organized menu that will help Mac users get themselves familiar with the tool. It provides accurate information about your downloads, such as speed, elapsed time and estimated time, details that most users find vital for downloads. The users are allowed to put downloads into waiting list, in order to make several downloads one after another, and not to downgrade the speed of many simultaneous downloads. This feature-rich application is highly customizable, as it allows the Mac users to make changes upon general use of the tool, task queue, integration, handlers and proxy server. It also comes with a powerful tool for searching (mirror search) that allows the users to access well-known search engines like filewatcher, globalfilesearch and filesbay.
Briefly, you should give Progressive Downloader a try; it has a modern look, an easy-to-use menu that will grant Mac users quick access to all of the features, it is highly customizable and provides support for well known search engines.