Partitioning App

Have you tried the disk utility? finder>utilities>disk utility. : ) Select a volume you would like to partition, whether it would be your mac hard drive or an external one. If you have existing partitions, they should be indented a little, go to the non-indented ones to get the partition option.

Have a nice day!

 

I am not aware of any freeware that will repartition on the fly, however, I can highly recommend Drive Genius by ProSoft Engineering to do the job.

A few weeks ago OWC had a deal where it was only $USD 59, which is a good deal.

Consider that this app does a lot more than repartition, so you're getting a lot of bang for your buck, especially if it helps you recover a damaged or wonky machine in the future.

Hard to put a value on that...

MD

 

Duff-Man says...not exactly user-friendly or for the timid, but OS X *does* have the built in utility for this by using the terminal ResizeVolume function....oh yeah!