The AI image generator Stable Diffusion has rapidly gained a dedicated following, and enthusiasts looking to experiment and develop their own AI models now have a hub for collaboration and sharing. Civitai, aptly named to reflect the concept of 'community' (Civitas), is a startup that has established a platform where users can showcase their Stable Diffusion-based AI image models for discovery by others, as well as share the AI-generated images they've created.