You're signing up for our Open Atrium 2 service. It's free for 30 days, after which we will contact you to ask you to subscribe.
Please give us a little info so that we can create your shiny new Open Atrium. You will need a valid email address to log into your new site. Once you confirm it, your site will be created just about instantly.
Keep in mind this is a beta. This service is provided as is with no warranty whatsoever, not even the warranty of fitness for a particular purpose.