A member of the Web4Lib list asked this question:
I and a colleague are interested in alternative web OPAC front end systems such as the aquabrowser (http://www.lib.ncsu.edu/endeca/ ) and Casy Bissons Wpopac (which isn’t commercial, but I would still consider it a “competitor” of sorts). Does anyone know of any other products/competitors?). We’d like to write an article on the topic, exploring the pros and cons. So far, I know about Aquabrowser, endeca (
He is compilingfor those of us who want to see the options that are out there.