Vanilla 1 was difficult to integrate.
There is a single sign-on plugin for Vanilla 2.
Plugin here: http://vanillaforums.org/addon/472/single-signon
Documentation here: http://vanillaforums.org/pag… ((more))
Before the most recent revision of the firefox addons site, Vanilla 1 was used as the discussion tool for addons for Firefox.
Despite this fact, Vanilla 1 didn't scale well. Vanilla 2, on the other … ((more))