When comparing Orion vs Zukiwi, the Slant community recommends Orion for most people. In the question“What are the best gtk3 themes?” Orion is ranked 20th while Zukiwi is ranked 21st. The most important reason people chose Orion is:
Ranked in these QuestionsQuestion Ranking
Pro Plug-ins including Pixlr image editor
Pro Built for front-end development
Orion was developed specifically for front-end development, making it a strong option for front-end developers thanks to features like syntax validation with ESLint and HTML content assist.
Pro Eclipse-like UI
Orion is developed by Eclipse and shares a lot in common with the Eclipse IDE UI.
Pro Offers PPA for easy install on Ubuntu based distros
Zukiwi offers an Ubuntu PPA for Ubuntu based distros.
sudo add-apt-repository ppa:noobslab/themes sudo apt-get update sudo apt-get install zukiwi
Pro Has matching GTK theme
Zukitwo Gnome Shell theme offers a matching GTK theme.
Con No runtime environment
Does mostly do file editing, but without good project support, web terminal, build/runtime environment.
Con Only supports latest release of Gnome Shell and GTK
Zukiwi only supports the latest release of Gnome Shell and GTK.