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.
MakeStories - Create visual stories for web quickly and beautifully!
Desk - An award-winning & beloved desktop publishing client, exclusively for OS X.
Once - Who is your match today?
BlogDesk - Blogging should be simple, but it gets complicated and time-consuming if you are serious about it.
Hullabalu - Interactive stories for kids