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.

Venmon - Compact size system resources monitoring utility and multi-ping tool for Windows

Process Explorer - The top window always shows a list of the currently active processes, including the names of their owning accounts, whereas the information displayed in the bottom window depends on the mode that Process Explorer is in: if it is in handle mode you'l…

Taskbar Meters - Incredibly simple meters that live in the Windows 7 task bar.

nmon - This systems administrator, tuner, benchmark tool gives you a huge amount of important performance...

TinyResMeter - TinyResMeter is a small tool that displays useful information about system resources in real time...