Terminator is a terminal emulator released under General Public License and is available for GNU/Linux Platform. Developed by Steve Boddy
License: Open Source
xterm is the standard terminal emulator for the X Window System. A user can have many different invocations of xterm running at once on the same display, each of which provides independent input/output for the process running in it (normally the process is a Unix shell). Developed by Thomas E. Dickey
License: Open Source
Terminator offers a rich set of features and customization options, making it ideal for power users, while xterm is lightweight and straightforward, suitable for users who need a basic terminal without frills.