Auslogics Disk Defrag Ultimate Portable is a program for defragmenting your hard drive at a professional level.
Demo: https://www.auslogics.com/software/disk-defrag-pro/
IObit Smart Defrag Portable is a program for defragmenting your hard drive. Works in several modes: manual, scheduled and automatic (defragmentation occurs in the background when the computer is idle).
Demo: https://iobit.com/iobitsmartdefrag