> It's a table-database, it's a wiki, it's a kanban board, it's a team calendar, it's a project gallery, it's a blog.

So what does it do that something like gitlab or phabricator cannot do ?

And if you are willing to consider different products for different things then you have dokuwiki/xwiki/wikijs/bookstack for wiki and multiple popular project management tools like kanboard/focalboard.