tilda terminal emulator - Tilda is a GTK+ terminal emulator.
Alacritty - Alacritty is a blazing fast, GPU accelerated terminal emulator.
Tilix - A tiling terminal emulator for Linux using GTK+ 3.
Sakura - sakura is a terminal emulator based on GTK and libvte
Xfce4 terminal - Productivity
Gnome Terminator - Terminator is one of the most useful and dynamic terminal emulators for Unix based operating systems.