Novelize - Novelize is an online novel writing app designed to keep authors on track.
Manuskript - Open-source tool for writers.
oStorybook - oStorybook : a free Open Source novel writing program for creative writers
Novlr - Online word processor and organizer for novel writing.
Typely - A sensitive, unobtrusive and reliable tool for any writer, newspaper editor, teacher, blogger or student STA
SHAXPIR - A modern cloud workspace for fiction writing & worldbuilding