Back up your data to online server and access it anywhere from your computer.
4Sync offers more space and just as much style as most of the popular cloud-storage apps. It is a little costly to expand, but it's hard to beat 15GB of storage right out of the box. If nothing else, it's worth having around to keep a few dozen photos or CDs from clogging up your hard drive.
Prepare USB drive to be a bootable replacement for the Windows optical drive.
Install Windows/WinPE onto a USB drive and boot from it.
Remove unneeded files and folders and free up disk space.
Manage disk partitions on hard drive and removable media.
Remove unwanted toolbars and extensions for any Windows browser.
Gallery Cleaner is a clean-up application that you can clean photos and save space for your phone.