Scrapbox - A new style of note-taking that lets you create, discuss, and learn together in one self-organizing space.
Writefull - Writefull provides you with the tools you need to improve the quality and consistency of your writing.
Evernote - Bring your life's work together in one digital workspace. Evernote is the place to collect inspirational ideas, write meaningful words, and move your important projects forward.
Trix - A rich text editor for everyday writing.
Unit Notes for iOS - A simple and powerful note-taking app.
Facebook Notes - Facebook launches a platform for writers and bloggers