Stacer - Ubuntu system optimizer
Ultimate Windows Tweaker - Ultimate Windows Tweaker is a freeware Tweak UI Utility for tweaking and optimizing Windows.
Winaero Tweaker - Universal tweaker software which supports Windows 7, Windows 8, and Windows 8.1.
Ubuntu After Install - Automated installation a lot of useful extra software on Ubuntu after the initial desktop install.
Glary Utilities - The No. 1 Free, Powerful and All-in-one utility for cleaning your PC
ubunsys - Software installer of a helpful package list, able to do changes on system configuration, updates...