Finalists include social-oriented engines like Omgili, which indexes content from discussion forums, and AfterVote,
which is a metasearch engine that also ranks results according to user votes.
A look at the comments stream from the original Alt Search Engines post shows that Onkosh and Exalead have emerged as reader favorites -- with Onkosh and its music, image and p2p network search (and its ease of translating between Arabic and English) as clear leader.