GD Rating System Pro 4.2: Metis
Version 4.2 brings several major new features, several major improvements, and a bunch of bug fixes. Most of the changes in this version have been deployed to the Free plugin version 3.1.
GD Rating System Pro: Book Rich Snippet Addon
New free addon for GD Rating System Pro, brings one more rich snippet type into the Rich Snippet support for ratings, this time for the Book Rich Snippet. The plugin has no settings, only extra control for defining the snippet inside the snippets post metabox.