When comparing cool-retro-term vs kitty, the Slant community recommends kitty for most people. In the question“What are the best terminal emulators for Mac?” kitty is ranked 4th while cool-retro-term is ranked 7th. The most important reason people chose kitty is:
Very elegant keyboard shortcuts for creating and navigating between tiled terminals within each tab with no appreciable lag.
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Pros
Pro Mimics the look and feel of the old cathode tube screens
Cool-retro-term mimics the look of old cathode screens. This is just aesthetic, but great for people who want a more retro feel.
Pro Good rendering
If you disable every special effect and the framing, the rendering is actually quite comfortable and readable making a good terminal option if you have CPU cycles to spare.
Pro Good fun
For simple tasks this is wonderful - anyone seeing it will love it, takes me back to using the Commodore Pet in college in the early 80's.
Pro Available in multiple repositories
This terminal is available for download from repositories in all the most popular distros, making it easily available.
Pro Window tiling
Very elegant keyboard shortcuts for creating and navigating between tiled terminals within each tab with no appreciable lag.
Pro Extensible Kitten framework
Supports plugins to add features one at a time for those who need them. Examples include Unicode input and side-by-side diffs.
Pro Tabs for multiple instances
Operate several terminals from one window using the tabs feature, allowing you to make simultaneous connections to different remote hosts.
Pro Scrollback buffer viewer
Allows for viewing the scrollback buffer in an external pager of your choice ('less' by default, with support for 'more' and 'most'), a huge benefit for turning actions taken in a live terminal session into a script for efficiency or dissemination or collaborating on workflows.
Pro Controlled and configured from the shell prompt within the program itself
No graphical menus to clutter the screen saves system resources and time once you learn that all those options are still available from the command line within the app.
Cons
Con Not very practical by today's standards
While it certainly has an aesthetic feel, cool-retro-term is nothing more than a cool trick if you want to play around. It's not very useful in this day and age.
Con Extremely heavy and impactful on resources
A massive amount of resources are used as graphical processing in cool-retro-term. They are ridiculously heavy for the terminal's intended use.
Con Large dependency on kde
It looks like many of the effects present here are provided by more or less stock kde effect libraries. For Gnome-based systems, installing this will pull in a large handful of kde libs.