MarsEdit - the blog editor for WordPress, Tumblr, Blogger and more. 3.0

The best way to write, preview, and publish your blog.
Whether you love HTML or can't bear the sight of it, MarsEdit's editor will thrill you.

If you prefer the best of both worlds, you can switch easily between the two.
Works with WordPress, Blogger, Tumblr, Squarespace, TypePad, Movable Type and dozens more through standard MetaWeblog and AtomPub interfaces.
Build a template to match your blog, then let MarsEdit's live preview show you how your posts will look before you publish them. Use Markdown? MarsEdit will preview that, too.
Combine the power of MarsEdit with your favorite editor. Integrates cleanly with BBEdit, SubEthaEdit, TextMate, TextWrangler, and any editor that supports that ODBEditor suite.