Grilo is a framework focused on making media discovery and browsing easy for application developers.

More precisely, Grilo provides:

A single, high-level API that abstracts the differences among various media content providers, allowing application developers to integrate content from various services and sources easily.
A collection of plugins for accessing content from various media providers. Developers can share efforts and code by writing plugins for the framework that are application agnostic.
A flexible API that allows plugin developers to write plugins of various kinds.