Kiwi application monitor - Kiwi application monitor is a small program which lets you monitor your applications/processes, Windows and User activity.
PuTTY - Popular free terminal application. Mostly used as an SSH client.
Battle Encoder Shirase - Software that controls per-process CPU usage: an “active” software CPU cooler.
MobaXterm - Enhanced terminal for Windows with X11 server, tabbed SSH client, network tools and much more
Processes - https://www.oneperiodic.com/products/processes/
iTerm2 - A terminal emulator for macOS that does amazing things.