Partyfish is a content managment system with many features, including an information sharing system, commenting system, markup language, built-in BBS, and much more. It is completely themable with a bit of HTML and CSS knowledge. It also has a administration interface, which makes managing the information very easy for the administrators.
Pocoo is a bulletin board software (a.k.a. message board). It provides an advanced plugin system with a component architecture which allows other developers to modify Pocoo to their liking without the need to touch existing source code. Because it uses SQLAlchemy, it is possible to use either MySQL, SQLite, Oracle, or Postgres as the storage backend.