FatPipe 0.4 for Mac could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. This free software for Mac OS X is an intellectual property of Data Dog LLC. The most popular version of the program is 0.3. This free software is suitable for Mac OS X 10.8 or later. We recommend checking the downloaded files with any free antivirus. The program lies within Internet & Network Tools, more precisely Download Managers.
From the developer:
Most servers and Internet service providers limit the speed a single connection can have. Fat Pipe can bypass these limits by splitting a download task up into many smaller chunks. This guarantees that you will fully saturate your Internet connection. Fat Pipe is supported in Chrome, Firefox, and Safari. The extensions add download options to your browsers right click menu.
You may want to check out more Mac applications, such as Fat Pipe Downloader, which might be similar to FatPipe.