Defraggler allow you to perform defragmentation of files on your hard disk. Defragmentation of your hard drive can significantly improve the performance of your computer. With this tool you can defrag exactly what you want, and drive map shows you blocks that are empty, not fragmented, or needing defragmentation, organizes empty disk space to further prevent fragmentation, and allow you to schedule defragmentation daily, weekly, or monthly.
What's new in this version:
Version 2.12.628 has added advanced crash reporting and scheduled defrags can now be prevented if specific processes are running.