The Jangle project intends to expose the data hidden in library systems by using the Atom Publishing Protocol to provide simple, consistent access to content and resources. The lack of uniform access to the underlying data in library systems is a major impediment to library development. The Jangle project has the potential to enable new development opportunities by leveraging simple to use and easy to understand processes. This article discusses the benefits of the Atom Publishing Protocol and how Jangle utilizes it, including a description of the current JangleR reference implementation and case studies of the simplicity of developing within the framework.