No, it's based on something called OSQA, and Atlassian have modified it. Look to the bottom line of the page to see a link to OSQA.
Atlassian have mentioned that they may bundle their version up as a product at some time in the future, but I don't know how they're getting on with that, or if the plan has changed.
You must be a registered user to add a comment. If you've already registered, sign in. Otherwise, register and sign in.