Dabble Writer - Writing software for novelists.
SHAXPIR - A modern cloud workspace for fiction writing & worldbuilding
Scriptware - Scriptware scriptwriting software, for writing scripts faster and easier than ever.
SmartEdit Writer - Plan, write and edit your novel scene by scene
Skribisto - Skribisto is born from the ashes of https://alternativeto.net/software/plume-creator/about/ , keeping the goals while adopting more recent ways to think an application.
WonderPen - WonderPen is a writing application that is used by professionals as well as beginners to write articles, novels, stories, and other literature-related items.