thanks to dear member @sarisan submitted a new resource:
CW Multicategories – TRULY publish Joomla! articles into MULTIPLE CATEGORIES
Allows you to publish Joomla! articles into multiple categories. Works for backend&frontend!
Full integration for article URL routing, breadcrums, blogs, page navigation, etc. + Preview Button in Article edit page…
Allows you to publish Joomla! articles into multiple categories. Works for backend&frontend!