Manuskript - Open-source tool for writers.
StoryMill - Developers and publishers of Mac, Win, and iOS productivity, home and office and writing software such as MacGourmet, Paperless and many more. Based in MN.
FocusWriter - FocusWriter is a fullscreen, distraction-free word processor designed to immerse you as much as...
Novelize - Novelize is an online novel writing app designed to keep authors on track.
Byword - The easy way to write Markdown and rich text on your Mac and iDevices
Scrivener - Scrivener is a content-generation tool for composing and structuring documents.