SOPE is an extensive set of frameworks which form a complete Web
application server environment. Besides the Apple WebObjects compatible
appserver extended with Zope concepts, it contains a large set of
reusable classes: XML processing (SAX, DOM, XML-RPC), MIME/IMAP4
processing, LDAP connectivity, RDBMS connectivity, and iCalendar
parsing.

postgresql is an optional dependency for this package.