An OS X application that is often considered to the best support to the writer, in the form of a corkboard, full-screen mode,built-in outliner, etc.

A free podcast creation and hosting service. There's a lot of advertising and some spammy podmails from other members, but it is easy to use and may be one of the best choices for teachers and students wanting to create a podcast.

To me, this a much cleaner alternative to Scrivener for those who want an environment conducive to writing (as opposed to word-processing). Mac OS X only.

a lightweight writing application for OS X