|Answer added on 10-8-2011|
Hint: It is a web application & website created by canonical.
Launchpad is a web application and website that allow users to develop and maintain software, particularly free software. Launchpad is developed and maintained by Canonical Ltd.
On July 21, 2009 the source code was released publicly under the GNU Affero General Public License.
As of July 2011, the launchpad repository hosts more than 23,500 projects. The domain launchpad.net attracted 1 million visitors by August 2009 according to a Compete.com survey.