However, there are many good download manager apps for OS X Mac with some great features. Although, there are number of choices, still you will be missing Internet Download Manager from PC on your Mac, as it is only restricted to Windows running machines. Mac OS X users now have number of software among which you can find the best download manager for your OS X running Mac. However, now that you have switched to Mac, you might be looking for a best download manager for Mac OS X. Undoubtedly, Internet Download Manager is still the best download manager you can get for Windows PC. Best Download Manager for Mac OS X 2015 : If you have been on Windows before switching to Mac OS X, you might have known the king of download manager known as Internet Download Manager for Windows.