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
Xterm is a lightweight, highly customizable terminal emulator primarily focused on performance and compatibility, making it ideal for Unix-like systems. Hyper, on the other hand, offers a modern user interface, cross-platform support, and a rich plugin ecosystem, catering to users who prioritize aesthetics and extensibility.