Linux is penetrating into mobile software as the basis for a mobile middleware platform. It is accelerating the increasing visibility of open source software (OSS) components in mobile middleware platforms. Considering the 10-million lines of code of OSS-based industrial platforms such as a mobile middleware platform, engagement in foundations is inevitable for large-scale packages of OSS for industrial solutions. The author discusses the driving factors toward a foundation-based OSS and the transition of the underlying economy types to analyze the transitions to the third-generation OSS.