Apps Related to Standalone Operation

WinContig is a lightweight, standalone defragmentation tool designed to optimize disk performance without requiring installation. It can specifically target individual files or folders and offers portability, making it ideal for use on removable media.

Boot-Repair-Disk is a specialized, open-source Linux distribution designed as a bootable media to automatically detect and repair common boot issues on various operating systems, primarily targeting Windows. It simplifies complex boot problems into a user-friendly interface.

MyDefrag, formerly JkDefrag, is a discontinued yet highly effective freeware disk defragmenting utility for Windows. Known for its speed and low resource consumption, it offers robust scripting capabilities for customized defragmentation tasks and can be run portably.