Salix OS

Hello Salix Developers
Could you please add gui frontend for crontab management on salixtools? Gnome-schedule was too outdated because it requires pygtk and older python libraries.

You mean a GUI like gnome-schedule? While it is possible to do it, I find little incentive to. Running is simple enough I think. If you're confused about crontab entry format, you can use something like this to set them up:
https://crontab.guru/