Borderless windowed mode is basically a fullscreen mode but with a super fast alt tab option and seamless task switching without the risk of crashes or freezes.
Console2 allows the user to create tabs for separate instances of the terminal, allowing them to have both multiple shells and multiple instances of the same shell open.
Usually when a script is running and you try to stop it with Ctrl-c, it stops and shows the empty command prompt waiting to get a new command. In Console2 this does not happen: instead the whole tab where the script is running is closed.