>Ghost and Ospari is by no wary comparable to Wordpress.

Regarding Ghost, it depends who you ask[1]. What the grand parent comment is probably referring to is the same thing Rob Conery refers to in that Ghost (in his estimation) was architected the way you would architect a large, modular PHP application.

[1]http://www.wekeroad.com/2013/11/19/hello-minty/

No, but if they work at it, some day they might be.