Next.js and Nuxt are two popular open-source frameworks used for building server-rendered applications, with Next.js being compatible with React and Nuxt with Vue. These frameworks offer features such as automatic code splitting, server-side rendering, and static site generation, which facilitate the creation of high-performance applications and are preferred by a significant portion of Directus developers. When selecting a headless CMS to pair with these frameworks, considerations include content modeling, API integration, performance, user interface, security, and pricing. Popular CMS options like Contentful, Strapi, Cosmic JS, Sanity, GraphCMS, and DatoCMS all offer robust APIs and user-friendly interfaces, making them suitable for use with either framework, though some may have features tailored to one over the other. Lesser-known CMS options include TinaCMS for Next.js and StoryBlok for Nuxt.js, while Directus stands out for its unopinionated platform, allowing integration with any framework and offering features like customizable data models, modular architecture, and real-time updates. Ultimately, the choice of CMS should be based on specific project needs and requirements.