Have you tried Library a la carte with your library? I recently found out about it from the Journal of Web Librarianship and it looks quite interesting. It appears in many ways to be an open source version of Lib Guides. Many of the features are similar or the same only it is created and hosted on your own server. It also has some chat and RSS features not available through Lib Guides. So if you are looking for a way to create interactive subject pages for your library and you either don’t want to pay for lib guides or you want to try something different then check out Library A La Carte.