Tiki Wiki CMS Groupware is to Drupal / Joomla! / WordPress what ClearOS is to CentOS / openSUSE / Ubuntu. #tikiwiki #clearos
— Marc Laporte (@MarcLaporte) September 16, 2017
Please see: https://tiki.org/Benefits
And it satisfies the usual component criteria
Trying to build WikiSuite with Drupal, Joomla! or WordPress would theoretically be possible but it would be an order of magnitude more work and complexity because of plugin problems