Valhalla Content Hub is a framework-agnostic, unified GraphQL layer designed to streamline the integration of multiple data sources for web applications, enabling developers to access real-time data from various APIs through a single interface. Developed by Gatsby, Valhalla addresses the challenges of sourcing data from multiple APIs during builds, which can slow down the process, by providing a centralized data layer that reduces build times and simplifies the development process. It allows for seamless integration with any web framework, such as Next.js, Astro, or Gatsby, by creating a consistent data interface that eliminates the need for individual API calls and methods. This approach not only optimizes build times but also enhances the flexibility and efficiency of managing dynamic and static content across different platforms. Valhalla is particularly beneficial for developers looking to maintain or pivot their tech stacks without worrying about data layer compatibility, as it ensures a unified content hub accessible throughout the development pipeline. Interested users can start using Valhalla by signing up or exploring a GitHub repository with demos for various frameworks.