SeMagic - Client for LiveJournal, Blogger, Wordpress
MarsEdit - MarsEdit is a desktop blog editing application for the Mac. It provides an offline interface to most popular blogging systems. WordPress, Blogger, Tumblr, Movable Type, and many other systems are supported.
Open Live Writer - Open Live Writer makes it easy to write, preview, and post to your blog.
Desk - An award-winning & beloved desktop publishing client, exclusively for OS X.
WebStory - Is WebStory for me? It may be worthwhile to take a closer look at WebStory if you: are looking for a more user friendly and versatile blog editor to edit your blog post prefer to write blog post offline don't like to mess up with HTML or CSS in ord…