We covered our share of defragmenting tools in the past including the popular Defraggler, Ultimate Defrag, Joshua’s overview of defragmentation tools but also specialized programs like Page Defrag, Registry Defrag or Source Engine games defrag.

Ultra Defrag is another disk defragmenting software for the Windows operating system. The program is Open Source and supports both 32-bit and 64-bit editions of Microsoft Windows operating systems. Some of its key features is the speedy defragmentation process and the low resource usage while running the process. It comes with an installer or as a portable version and can be run from a graphical user interface or the command line.

The defragmentation software can defrag entire system partitions or single directories and files if it is added to the Windows context menu during installation. The command line version of the disk defragmenting software comes with several advanced options like excluding files from the defragmentation process. Users can also launch Ultra Defrag during system boot to be able to defragment the system files that are locked when Windows is running.