Nitro (also known as Nuxt Nitro) is a next-generation, full-stack server engine built with TypeScript. Originally powering Nuxt.js, it has evolved into a standalone backend framework. Nitro offers cross-platform deployment (supporting Node.js, Serverless, Edge, etc.), file-based routing, automatic API type generation, and hybrid rendering modes like SSR/SSG/ISR, delivering a high-performance and lightweight backend solution for modern web applications.