Perseus Digital Library
Our old friends at Tuft's Perseus project have unveiled Perseus 4.0: "Perseus 4.0, a new Java-based version of the Perseus Digital Library, is available for testing. It contains a faster, more manageable back-end and a more modern look and feel. Many features of Perseus are now available as XML services"
Perseus as a web project is 10 years old now.
4.0 uses Tufts Fedora open source digital content management system. Not to be confused with RedHat Fedora (Linux).