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.
Window Detective - Window Detective is a programmer's tool used to "spy" on an application's windows...
gtop - System monitoring dashboard for terminal
Winspector Spy - Have you ever used Spy++ that comes with MSVC?
nmon - This systems administrator, tuner, benchmark tool gives you a huge amount of important performance...
Microsoft Spy++ - Spy++ (SPYXX.EXE) is a Win32-based utility that gives you a graphical view of the system’s...