I've only used Gparted two or three times and that was years ago. It can dynamicallly resize any of the partitions without affecting OS functioning afterwards? It's got a lot of documentation ...

Gparted seems to be able to shrink Windows, move the ~600 GB recovery partition over, but then it can't expand the big HFS+ partition that comprises my main partition.

To edit partition labels as they appear in your file manager, use the Gnome Partition Editor, or GParted, a free program available in the Ubuntu repositories.

If you ever need to partition or edit the partitions on your hard drives without an existing OS on the computer, then GParted Live should be in your PC toolbox. The free GParted Live is based on a ...