High Quality Content by WIKIPEDIA articles! Mixero is an Adobe AIR desktop Twitter and Facebook client application . It replaces the conventional Twitter web interface and allows users to send and receive tweets and view profiles. It is compatible with the most popular desktop operating systems including Microsoft Windows, Mac OS X and Linux. An iPhone version was released on the 14th October 2009. Facebook integration was added on the 3rd December 2009. Mixero allows users to customize, filter and organize all their twitter activity .