I do remember Greymatter when blogging was young, it was Perl-based and it was mostly replaced by Movable-type, also Perl-based before WP finally came to domina

I do remember Greymatter when blogging was young, it was Perl-based and it was mostly replaced by Movable-type, also Perl-based before WP finally came to dominate the scene. Textpattern was also popular for a while. I believe Wordpress derived form ExpressionEngine?