MyDefrag 4.3.0 - Is a disk defragmenter and optimizer (a maintenance utility to make your harddisk faster) for Windows 2000, 2003, XP, Vista, 2008, Win7, and for X64. It is freeware, no time limit, fully functional, no advertisements. 

MyDefrag (formerly JkDefrag) is able to handle USB sticks/disks and floppies.