You could have downloaded ultracopier 3.0.0.7 for Mac from our application library for free. The actual developer of this free Mac application is Ultracopier. The software relates to System Tools.
From the developer:
Ultracopier is free and open source software licensed under GPL3 that acts as a replacement for files copy dialogs.
Brings multiple kind of communities together (users, developers, designers, ...).
Works with all devices: hard drives, usb keys, cdroms, ... Cross-platform compatibility: Windows, Linux, and Mac.
On-demand customisation through a large choice of skins and plugins. Available in many languages.
You may want to check out more software for Mac, such as QuickPick, AccessMenuBarApps or Window Magnet, which might be similar to ultracopier.
File Managers
CD\DVD Software