NeutronField is an AI tool that allows users to share and sell their best AI-generated text-to-image prompts. Users can post their prompts in various categories such as animals, robots, urban, and more. The tool offers unique features like the ability to earn money by selling prompts and a wide range of categories and themes to choose from. Potential applications of NeutronField include creating artwork, generating visual content for websites or marketing materials, and exploring creativity through AI-generated images. Users can browse and purchase prompts created by others and contribute their own to the platform.