Drivel is handy for quick posts to your WordPress blog from your system. You can also write offline and post later. It is not very feature-packed but works well as a simple blogging client. Developed for the Gnome environment. Available in synaptic.
To connect to your WordPress account use the following settings:
Journal type: Movable Type
Server address: myblog.wordpress.com/xmlrpc.php
Webpage: Drivel