Scrivener - Scrivener is a content-generation tool for composing and structuring documents.
Dabble Writer - Writing software for novelists.
Manuskript - Open-source tool for writers.
Final Draft - Use your creative energy to focus on the content; let Final Draft take care of the style.
SHAXPIR - A modern cloud workspace for fiction writing & worldbuilding
Scritika - Scritika is advanced-level writing software that helps the writer to tell their stories in a creative and smart way, and it encourages you to compose the stories quickly.