Uses:
SQLibrary.jar - Data storage
dropbox.jar - Dropbox api for uconnect
4j.jar - Dropbox api
avalon.jar - Dropbox api
commons-logging.jar - Dropbox api
apache httpclient, core and mime - Dropbox api
json_simple - Apache/dropbox api
kit.jar - dropbox api
servelet.jar - apache/dropbox api

Sources available online.