Eusing Free Registry Defrag is a free registry defragmentation software that optimizes registry by removing gaps, fragments and wasted space in Windows registry files.
GtkOrphan (a Perl/Gtk2 application for debian systems) is a graphical tool which analyzes the status of your installations, looking for orphaned libraries. It implements a GUI front-end for deborphan, adding the package-removal capability.
Tweaking.com - Simple System Tweaker is designed to bring only the safest tweaks to your system to increase speed and stability.
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