Zine is an open source personal publishing platform written in python. it's written with security and extensibility in mind and inherits many ideas of wordpress and other existing blogging systems.

zine's features:
* basic blog functionality: posting, comments, categories, tags, and atom
feeds
* user, group and permission management
* theming support
* importers for wordpress and blogger.com blogs as well as atom feeds.
* an advanced plugin system
* a translatable interface
* pingback support