Yep, RAW Power is the one by the ex-Aperture guru. Which is just interesting in itself. If you wanna see an interesting interview with its developer (THE Gentleman Coder?), try this:
Unfortunately, while the editing-adjusting plugins are quite good, the organization-type extensions don't exist. There's absolutely nothing that can do some of the more sophisticated metadata manipulation that Lr can do. There are some extensions that allow sharing, but they aren't nearly what Lr's publishing can do. But maybe you only need the adjusting stuff.