Kula: ecto ecto is a feature-rich desktop blogging client for MacOSX (we also have a Windows version in the works), supporting a wide range of weblog systems, such as TypePad, MovableType, Nucleus, Blogger, and more.
Kung-Log の後継らしいです。まだ使ってないけど、どうなんだろう。あとで使ってみます。