O’Reilly announced the winners of the third and final round of its Mac OS X Innovators Contest at the O’Reilly Mac OS X Conference today. The contest, sponsored by the Apple Developer Connection (ADC), rewards “innovative Mac OS X applications, plug-ins, user interface widgets, or other creative original software.” In the International category, iStopMotion took top honors, while ACSLogo claimed second place. First place winner in the US category was OmniOutliner, and the second place winner was iBlog.