Process Explorer shows you information about which handles and DLLs processes have opened or loaded. The display consists of two sub-windows. The top always shows a list of the currently active processes, including the names of their owning accounts, whereas the information...
htop is an interactive process viewer for Linux. It is a text-mode application (for console or X terminals) and requires ncurses. htop is an interactive top replacement that runs in the terminal. The available columns are: PID, STATE, PPID, PGRP, SESSION, TTY_NR, TPGID, MINFLT...
Glances is a cross-platform monitoring tool which aims to present a large amount of monitoring information through a curses or Web based interface. The information dynamically adapts depending on the size of the user interface.
Use a straightforward BASIC-like scripting language to automate your Windows GUI. Simulate key presses, mouse movement, window attributes and much more.
AutoIt vs WinSpy++ opinions
AutoIt is mainly a sripting/automation language. There is a little tool included in the package, that has a spy functionality!
System Explorer is an enhanced Taskmanager that provides detailed information about running processes, startup programs, IE add-ons (BHOs), drivers, services network connections, system resources and more.Discontinued
While mostly functional it and its website hasn't been updated since 2017 and forums and support are gone.
vtop is a graphical command-line tool that uses unicode braille to chart CPU and memory usage. It can be easily extended.
Task Manager DeLuxe (TMX) is based on MiTeC System Information Component Suite and offers powerful features available in standard Windows Task Manager in lightweight portable package with many more enhancements.