Horde Projects details the various efforts of the Horde project, which, given my cursory examination, look a LOT like the future. GPL, open source, collabo-dev, PLUS standards and a long-term strategic vision. This looks cool.
Their IMP is up against the more old-skool lookin’ squirrelmail for my use here at the moment. Man, I think I’m finally starting to have enough background technically with the backend stuff to make meaningful business-oriented evaluations of this stuff. Finally. You leave the back room for a couple measly years and you’re as clueless as a mangerial type. Oh wait, I was a managerial type.