Coming soon: XaoS 4.0

It began 23 years ago when Jan Hubička and Thomas Marsh started developing XaoS, a very sophisticated fractal zooming application... Now, in 2019, a persistent contributor, J.B. Langston decided to put the codebase on a modern basis and finalize its Qt port. This means that the graphical interface will be unified on all supported operating systems including Windows, Mac and Linux.
The on-going work can be followed on its GitHub project page.
To have some insight you may want to have a look on the Raspberry Pi 3 port (shown in Hungarian):

After some minor cleanup and bug fixing we expect the new release coming very soon!