What are some alternatives?
When comparing Xfce-Terminal and Cool Retro Term, you can also consider the following products
Terminator - Terminator is one of the most useful and dynamic terminal emulators for Unix based operating systems.
iTerm2 - A terminal emulator for macOS that does amazing things.
GNOME Terminal - GNOME Terminal is a terminal emulator for GNOME desktop.
Hyper - Extensible, cross-platform terminal built on open web standards.
terminal - Simple, fast, powerful computing environments. Set up and share environments in one click.
Guake terminal - Guake is a dropdown terminal made for the GNOME desktop environment.