Write or Die - Write or Die is an application for Windows, Mac and Linux which aims to eliminate writer's...
Knotable - Cut the noise out of busy email threads
4thewords - Write more, have fun. We’re a writing software that blends productivity and game mechanics so you can defeat writer's block and build a consistent writing habit! (We’re like a gym, built by writers, for writers)
Scrapbox - A new style of note-taking that lets you create, discuss, and learn together in one self-organizing space.
The Most Dangerous Writing App - If you stop typing, all progress is lost.
Google Keep - Capture notes, share them with others, and access them from your computer, phone or tablet. Free with a Google account.