Mashable - Hewlett-Packard just announced it would fulfill its promise to make the code of its dormant mobile operating system, webOS, open-source ... by September. The company, which effectively stopped the webOS platform in its tracks when it killed the HP TouchPad tablet and Palm line of phones last summer, said in a statement that it would gradually release parts of webOS to the open-source community over the next eight months. Starting this month with Enyo 2.0, the webOS developer tool, HP will make individual elements available bit by bit. (The full schedule is below.)