Armin Ronacher , the creator of the well-known
Pygments python-packages (syntax highlighting) and
Jinja2 (django-like template engine) released a new creation at Christmas - the engine for the blog Zine, which is apparently a clone of
Wordpress .
The engine has a fairly slim architecture, supports, in addition to regular blogging features, plug-ins and themes, distribution of powers, internationalization, and can import posts from Wordpress, Blogger, and Atom feeds.
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However, the first version has not yet implemented such things as searching, downloading files and notifications about new posts and comments.
Screenshot:

References:
AnnouncementEngine website