Question: I need a way to brainstorm and develop my characters, is there an AI-powered tool that can assist me?

First up is StoryNest.ai, a suite of tools for storytellers that includes character creation, world-building and AI-assisted editing tools. It can handle novels, interactive fiction and screenplays, so it's good for whatever writing project you're working on. You can try it for free to see what's available and to collaborate with AI and other humans.

Another good option is Subtxt, which is geared for writers trying to build a narrative structure and consistency with AI tools. It offers tools like Narrative Agents, Subtxt Muse, Premise Builder and more to help identify gaps in your story and generate material to fill them in. It's good for screenwriters, novelists and playwrights.

If you like a more interactive approach, NovelAI offers AI tools for storytelling and character creation. It's got modules for text adventure, customizable editing and world-building, so it's good for creating a rich, immersive world. You can subscribe to different levels of AI assistance and features, depending on how much help you need.

Last is AIScreenwriter, which is geared for screenwriters who want to brainstorm ideas, structure their scripts and create character sheets. It's got more advanced features like real-time editing and multilingual support, so it's good for beginners and pros. You can try it with a free trial and upgrade to more advanced packages depending on your needs.