iTerm2 is a GPL-licensed terminal emulator for macOS. It was derived from and has mostly supplanted the earlier "iTerm" application. Developed by George Nachman
License: Open Source
Hyper is a modern, highly customizable terminal emulator built on web technologies, making it visually appealing and easy to extend. In contrast, iTerm2 is a more traditional terminal designed specifically for macOS, offering a rich feature set and strong performance, but is less customizable in terms of appearance.