Nokia PC Suite Cleaner is a handy, free software only available for Windows, that belongs to the category Software utilities with subcategory Maintenance...
602Pro PC Suite is a good, trial version Windows software, that belongs to the category Business software.
CompuSec PC Security Suite is an awesome, free program only available for Windows, being part of the category Security software with subcategory Encryption.
UTILILAB SystemOPTIMIZER is a suite of maintenance utilities for Windows. It's designed to keep your PC running fast and efficiently.