If you want a tool to help you come up with new ideas and plot developments for your story, Sudowrite is a good option. It's an AI writing assistant for fiction authors trying to break through their creative barriers and get their work done. With tools like Describe, Story Bible, Write, Expand, Rewrite, Feedback, Canvas, Brainstorm, and Visualize, Sudowrite can help you at different stages of the writing process, from coming up with ideas to developing your writing style.
Another option is Plotdot, an AI-powered screenwriting assistant that spans the entire process from idea generation to a final script. It offers tools for premise definition, creation of protagonist and antagonist characters, supporting character development and plot outline. The tool is designed to help bridge the talent gap in the film industry, get past creative blocks and turn ideas into compelling stories.
For a more interactive approach, NovelAI offers a subscription-based service that uses AI for authorship and storytelling. It offers tools like text adventure modules for interactive fiction, a customizable editor and the ability to visualize characters with image generation models. NovelAI is designed to be a supportive environment for writing literature without censorship or rules. It also offers tools for writing in a particular style, storing character details and organizing world-building information.
Subtxt is another tool designed to help you identify gaps in your story and generate content to fill them. It uses AI to construct narrative structure and consistency, with tools like Narrative Agents, Subtxt Muse, Premise Builder and Storyforms. The service is geared for screenwriters, novelists and playwrights, and can help you improve your work by uploading drafts for analysis.