NodeBB

@haverholm @davidgerard I have problems with the later Drupals ... that's why we forked D7 into backdrop. Also I don't like installing stuff with composer because I'm lazy. D11 is a no-go for me. D9-D10 are OK (still composer.

Drupal is rather friendly with WP data. Importing is trivial.

But Drupal is programmatically The UNIX Way which gives a good module ecosystem, and comes with the highest learning curve in CMS Land.

@haverholm @davidgerard Drupal, BackdropCMS (I run backdrop which is forked Drupal 7), $diety help me Joomla, Grav, Concrete,

Here's a list ... https://www.opensourcecms.com/