DM Campaign Manager is a user-friendly web application designed to simplify managing Dungeons & Dragons campaigns. The app features a React front-end paired with a Ruby on Rails backend, seamlessly integrating OpenAI to enhance storytelling and content generation. State management is streamlined with Redux, providing efficient data handling and responsiveness. Dungeon Masters can effortlessly track characters, NPCs, locations, and session notes, reducing preparation time and maintaining smooth gameplay. Robust search and sorting capabilities ensure rapid access to essential details during live sessions. Open-source and customizable, DM Campaign Manager empowers users to adapt the platform to their unique storytelling needs, blending intuitive design with powerful, AI-driven assistance to help Dungeon Masters focus less on logistics and more on creating immersive adventures.