Marginalia, a search engine for non-commercial websites you might not have seen before
(search.marginalia.nu)
Great search engine, don't forget to try the 'random' link[0] . It's how I've been using it to discover the interesting and less-visited corners of the internet.
Also, apparently the developer is going to be working on this project full-time for the next two years[1]. Hoping for the best and interested to see where he takes the project.