The Oregon State University Libraries have released LibraryFind 0.8.2.
Here’s an excerpt from the CODE4LIB announcement:
LibraryFind is metasearch software written in Ruby-on-Rails. It allows libraries to provide a unified search solution to their users, letting library users search across both licensed collections and local collections. LibraryFind is open source software (licensed under the GPL), and is free to download and use. More information on LibraryFind can be found at http://libraryfind.org.