By search at project modules for Drupal I found open atrium. Wow, this is what I want. Great work!!
My problem is how can I integrate Open Atrium in my existing website? I need a solution that the registerd user off my site ar automaticly registerd on the open atrium installation, because the users of my site should work with open atrium. A double registration isn´t a good solution. How is it possible that both installations take the same users.
