EMC seems to be slowly building up an "enterprise software" portfolio. They bought Zimbra from Yahoo, which includes "Zimbra Collaboration Suite", a groupware.

EMC seems to be slowly building up an "enterprise software" portfolio. They bought Zimbra from Yahoo, which includes "Zimbra Collaboration Suite", a groupware. Now they've acquired Pivotal, which makes (among other things) Pivotal Tracker. I think I see a pattern here.