XUF release 0.20.0. Now with LDAP, NIS, and group support.

The first release of XUF for nearly a year, contains  new auth sources, including NIS contributed by 
Jason Gibson, and a first-cut of an LDAP auth source.

NuxGroups support was provided by zigg and bmh.
A bunch of irritating things were fixed, as well as a restructure of the code to bring it into line with later versions of Zope.
Be sure to read the changelog to see all the things that have changed.
You can read more Here