When comparing Xiki vs hyper, the Slant community recommends Xiki for most people. In the question“What are the best terminal emulators for UNIX-like systems?” Xiki is ranked 23rd while hyper is ranked 24th. The most important reason people chose Xiki is:
Xiki uses some GUI concepts on top of shell. For example, commands can have nested menus and these menus are just text indented by two spaces. You can also either use the mouse or the keyboard to navigate or issue commands.
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Pros
Pro Adds GUI features
Xiki uses some GUI concepts on top of shell. For example, commands can have nested menus and these menus are just text indented by two spaces. You can also either use the mouse or the keyboard to navigate or issue commands.
Pro Cross-platform due to electron browser-based foundation
Although not Windows-friendly. But nobody uses Windows terminal anyway.
Pro Built on electron, supports split panels and plugins
Cons
Con Requires learning many new concepts and ways of using them
Xiki adds a lot of concepts which are not found on other terminals. You have to learn a lot of new tricks to make it useful which unfortunately you cannot use on other terminal emulators.
Con Made with Electron
It uses a considerable amount of resources, compared to other offerings.
Con Not as cross platform as advertised
Most features only work on Mac OS.
Con Incorrect rendering
Terminal window has visual artifacts.
Con No configuration UI; all options must be set via JSON
Con Still maturing as of December 2016
Folks noticed some issues in the 1.0 release cited here.