Winaero Tweaker - Universal tweaker software which supports Windows 7, Windows 8, and Windows 8.1.
htop - htop - an interactive process viewer for Unix. This is htop, an interactive process viewer for Unix systems. It is a text-mode application (for console or X terminals) and requires ncurses. Latest release: htop 2.
Ultimate Windows Tweaker - Ultimate Windows Tweaker is a freeware Tweak UI Utility for tweaking and optimizing Windows.
gtop - System monitoring dashboard for terminal
GIGATweaker - GIGATweaker is a powerfull and compact application that allows you to optimize and tweak your OS.
nmon - This systems administrator, tuner, benchmark tool gives you a huge amount of important performance...