yWriter

It's a free writing program designed to help you write novel-length stories. It does this by breaking your story down into chapters and scenes, and then helping you organize and rearrange them to get the best possible story. yWriter also has a number of other features to help you with your writing, such as a character name generator and a story idea generator.

Storyist

Is a writing program for Mac and iOS that helps you write novels and other long-form stories. It has all the features you need to get your story written, including a storyboard, a timeline, a corkboard, and more. Storyist also has a number of features to help you with your writing process, such as a research library and a scene planner.

Ulysses

Is a writing program like Scrivener for Mac, iPad, and iPhone that helps you write novels and other long-form stories. It has all the features you need to get your story written, including a distraction-free writing environment, a robust Markdown editor, and a powerful organizational system. Ulysses also has a number of features to help you with your writing process, such as a built-in dictionary and thesaurus, a character name generator, and a scene planner.

Aeon Timeline

Is a timeline-based writing program for Mac and Windows that helps you write novels and other long-form stories. It has all the features you need to get your story written, including a timeline view, a calendar view, a corkboard view, and more. Aeon Timeline also has a number of features to help you with your writing process, such as a scene planner and a character name generator.