PyRoom!

FocusWriter is a fullscreen, distraction-free word processor designed to immerse you as much as possible in your work. The program autosaves your progress, and reloads the last files you had open to make it easy to jump back in during your next writing session, and has many other features that make it such that only one thing matters: your writing.

The key to good writing is not that magical glass of Bordeaux, the right kind of tobacco or that groovy background music. The key is focus. What you need to write well is a spartan setting that allows you to fully concentrate on your text and nothing but your text. Many professional writers use SimpleText or Textedit because these are the only writing programs that are totally distraction free. But text editors are not perfect. That's why we made Writer.

Byword is designed to make writing more enjoyable with Markdown on your Mac, iPhone and iPad.

For Mac users to write without distractions. WriteRoom is a full screen writing environment. Unlike the cluttered word processors you're used to, WriteRoom lets you focus on writing. Requires Mac OS X 10.7+

Q10 is a simple but powerful text editor designed and built with writers in mind.

Organon is a plugin for LibreOffice and OpenOffice.

With UberWriter it’s simple to write beautiful documents in Markdown.

Liquid Story Binder XE is a uniquely designed word processor for professional and aspiring authors, poets, and novelists. Writing software for those who require the editing ability of a commercial text editor as well as a document tracking system. It is for those who want the freedom to create, outline and revise but are tired of losing track of their work.

ZenWriter, a text editor for Windows that cuts out all the distraction and lets you focus on letting your thoughts flow.It’s a full screen, zen-like program that offers few formatting options but a whole lot of tranquility. If you find yourself, skipping between tabs in your browser checking up on email and Facebook when you’re meant to be writing, ZenWriter is the solution to your distracted mind

WordGrinder is a word processor for processing words. It is not WYSIWYG. It is not point and click. It is not a desktop publisher. It is not a text editor. It does not do fonts and it barely does styles. What it does do is words. It's designed for writing text. It gets out of your way and lets you type.

Writer is a free online distraction free writing environment provided by Big Huge Labs.

JDarkRoom is a popular, simple full-screen text file editor with none of the usual bells and whistles that might distract you from the job in hand. If you are writing a speech, novel, essay, thesis or just need to be able to concentrate on your writing, then JDarkRoom may help you.

Zenpen - A minimal text editor, made to stay out of the way while you get the words down.