MyDefrag is a free defragmentation program for Windows 2000 and later.
MyDefragGUI is the graphical user interface for comfortable handling for this program.
MyDefrag defragments very fast, has several optimisation strategies, offers highest possible data security and can also defragment external storage media. However you can input options only by a script grammar.
With MyDefragGUI the operation becomes very easy. Beyond that it has some additional functions e.g. planning the defragmentation, storing the personal settings, configuring the screensaver…
Download: MyDefragGUI 2.1