Advanced SystemCare Pro cleans junk files, optimizes startup programs, and boosts PC performance. Includes real-time RAM optimization, registry repair, and privacy sweep tools.

Advanced SystemCare Ultimate 18 系统优化神器：集杀毒、清理、加速于一身，让老电脑满血复活

A free, lightweight Mac cleaner utility that optimizes Mac performance by removing junk files, caches, and unnecessary data. Features comprehensive scanning, privacy protection, and system optimization.

SweepMac is a open source & free to use disk cleaner application

A Python script that checks filesystem usage and automatically deletes a target directory when disk space usage exceeds 70%. It prints disk space before and after cleanup, and takes no action if usage is below the threshold.

Clean junk files, optimize startup processes, and improve your Windows performance with this system management utility.