It is a rival of Moveable Type and Drupal.  
Miles Johnson claimed that this software is twice as bad as PHP in his own post on how it's a "fractal of bad design".  Johnson argued that this software's API shouldn't have a global method for making database queries and that it shouldn't modify re-routing rules in mod_rewrite.  The creator of this software spitefully bought thesis.com to drive traffic away from Chris Pearson's DIYthemes, which are non-GPL licensed themes for this software.  In August 2014, an exploit in the widely used Custom Contacts Form plugin for this software was revealed.  Version 1.0 of this software was named Davis, starting a trend of naming versions of jazz musicians.  A paid offshoot of this software by its creator Matt Mullenweg is called (*) Automattic.  It is a rival of Moveable Type and Drupal.  For 10 points, name this content management system that powers websites such as pace-nsc.org.
Miles Johnson claimed that this software is twice as bad as PHP in his own post on how it's a "fractal of bad design".  
Wordpress