ext-blog
ext-blog is a common lisp blog software which supports custom theme and you can port a WordPress theme for it.

An ext-blog sample website can be found at my personal blog site.

FEATURES

  • Basic blog engine features including: post an entry, display an entry, post a comment
  • Support admin manage page so that you can manage your blog online
  • Support custom themes
  • Support RSS feed, only full export
  • Support metaweblog API, only post/edit new entry
  • Some basic themes ported by author

The full source code can be download at https://github.com/kevinlynx/ext-blog

Also, you can get ext-blog by quicklisp:

(ql:quickload 'ext-blog)