Stavo cercando un utility gratuita per fini non professionali che permetta di modificare la dimensione delle partizioni, accorpare dischi e così via.
Ho trovato il seguente programma EaseUS Partition Master 9.1.1. Home Edition:
Ecco quello che può fare:
Partition Manager 
Partition manager function can resize, move, and merge the partitions to
 make better use of hard drive capacity. It can expand the Windows 
system partition without Windows reinstallation and data loss. Besides, 
it also can help convert dynamic disk, convert logical partition to 
primary, wipe disk/partition, rebuild MBR and defrag disk.
Disk & Partition Copy 
Disk & Partition Copy Wizard helps create an exact copy of your hard
 disk, including the operating system, applications, preferences, 
settings, and data to migrate system or protect data. It also can copy 
any specified partition and dynamic volume safely.
Partition Recovery Wizard 
Partition Recovery Wizard completely protects your partition, allowing 
you to recover deleted or lost partitions from unallocated space due to 
any personal, hardware or software failure or virus attack. It offers 
two recovery modes: Automatic and Manual for different needs. 
Ecco il link per il download:
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Un prodotto alternativo gratuito ed open Source è ovviamente GPARTED che è utilizzabile in modalità Live quando il sistema è "Offline"
Ecco i link ed alcune info utili:
To install GParted Live on CD, download the .iso file and burn it as an image to a CD.
For other installations, please refer to the following documents:
GParted Live on USB
GParted Live on PXE server
GParted Live on Hard Disk
Create your own custom GParted Live from scratch