Konsole is a free and open-source terminal emulator which is part of KDE Applications.
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
Konsole is a feature-rich terminal emulator ideal for users who prefer a graphical interface with advanced functionalities, while xterm is a lightweight and highly customizable terminal that excels in simplicity and performance.